The Following Survey Question Is Flawed

The following survey question is flawed. What is the MAJOR weakness of this item? "How old were you the first time you went to a grocery store?" 1. Under 6 months old
2) 6 months to 12 months old
3) 13 months to 24 months old
4) 25 months to 3 years old
5) More than 3 years old

A) It has jargon.
B) It is too long.
C) Issues beyond respondent's ability to recall.
D) It is double-barreled.