A word choice
"In __ of the case, I e-mailed Professor Duneier with many of my questions. He graciously replied, but for him, too, this was going to be a new experience. Knowing this actually helped me to relax a little."
(A)apprehension (B) collaboration(C0 anticipation (D) assumption
The answer is (C).
I chose (A) because it seems to me that the student was nervous (or even worried). Is there a usage like "in apprehension of"? Or it's simply wrong because (C) is better?