I was so familiar with him that I recognized his voice _______ I picked up the phone.?

A. immediately?

B. quickly?

C. suddenly?

D. hurriedly?

I was so familiar with him that I recognized his voice ____ I picked up the phone.

    A. while                  B. after                       C. in case                 D. the minute

I was so familiar with him that I recognized his voice _____ I picked up the phone

1. A.
   as
2. B.
   after
3. C.
   the instant
4. D.
   while

I was so familiar with him that I recognized his voice _______ I picked up the phone.

1. A.
   immediately
2. B.
   quickly
3. C.
   suddenly
4. D.
   hurriedly