Choose the correct alternative and fill in the blank. You are fortunate _____ having an intelligent and obedient son.

Options

A. a) to
B. b) for
C. c) of
D. d) in

Answer

D

Explanation

fortunate (Adj.) used differently :
I have been fortunate enough to visit many parts of the world.
I was fortunate in having a good teacher.
It was very fortunate for him that I arrived on time.
Here, in is the right usage