In which of the following sentences is the verb in the active voice?
a. we were told that jim is ill.
b. the telephone bill was paid yesterday.
c. the mother called her son for lunch.
d. the boy was called by his mother.

A. We were told that Jim is ill.

- this is passive: active would be: They told us Jim is ill

B. The telephone bill was paid yesterday.
- this is passive: active would be:  someone paid the bill yesterday

C. The mother called her son for lunch.
Active!

D. The boy was called by his mother.
- this is passive: active would be:  The mother called the boy.