EXAMINE THE FOLLOWING SENTENCE AND CHOOSE THE APPROPRIATE DESCRIPTION.

Question

The material has been tested by our engineers,and they like it.

A. BOTH CLAUSES ARE IN ACTIVE VOICE
B. BOTH CLAUSES ARE IN PASSIVE VOICE
C. THE FIRST CLAUSE IS ACTIVE,THE SECOND
CLAUSE IS PASSIVE
D. THE FIRST CLAUSE IS PASSIVE,THE
SECOND CLAUSE IS ACTIVE

What is your thought on this one?

I AM THINKING (B) but not sure

The first clause is passive, and the second one active. In a passive clause, the object of the verb comes first; so the object "is being" or "was" etc, by the subject. Instead of active, where is subject is "verbing" the object.