Childhood experiences with our own parents and the type of attachment we form with them serves as a "working model" for the future. Later on in life, we tend to base our own parenting on this experience. This is not an absolute statement by any means - some people who were not able to form healthy attachments and meaningful relationships with their parents may still be able to become great parents themselves - this requires them to develop a thorough understanding of their own emotions, experiences and a realization that their experiences were not optimal thus, motivating them to give the best possible experience to their own children.
You can even take the example of the harlow monkey study (I know that it wasn't a study looking at attachment styles) - these baby monkeys didn't have access to their own mothers, instead they were raised in an environment with a metal wire monkey with a bottle and a cloth monkey. In this example, the baby monkeys were not able to form appropriate attachment with their mother and later on in life, they were not able to become great parents themselves.
http://harlowmonkeysunethical.blogspot.ca/
To answer your specific question, D is the correct choice. First, authoritative parenting style is when parents make demands of their children for obedience but at the same time explain to the children why they are being asked to act in a certain manner, do a certain chore etc. This is the best form of parenting as opposed to authoritarian, permissive or involved parenting styles. So someone who had an insecure attachment with their own parents is least likely to form such a healthy and strong relationship with their own children.
Choices A, B and C are more likely because there is many research out there showing that if someone doesn't have a healthy and positive childhood experience, it is likely to have an effect on them into their adulthood which may include problems with drugs, violence, mental illness, inability to form meaningful romantic relationships etc.
Hope this helps.
