D it is..
There's similar one in OG.
The Wallerstein study indicates that even after a decade young men and women still experience some of the effects of a divorce occuring when a child
A. occuring when a child
B. occuring when children
C. that occured when a child
D. that occured when they were children
E. that has occured as each was a child
OA is D here.
OE : D corrects both problems by making it clear that the divorce took place when the men and women were children.
The only thing that matters is what you believe.