Most of the homes that were destroyed in last summer’s brush fires were ... ...

Determine whether or not there is an error in the underlined portion of the sentence above. If there is no error, select answer choice "A".
(A) Most of the homes that were destroyed in last summer’s brush fires were
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Press: Set E - Faulty Verb Tense