چرا در این جمله این گزینه رو باید انتخاب کنیم ؟

Question

چرا در این جمله بین این سه گزینه، گزینه آخر درسته؟

 

would been

had been

have been

it generally considered to have been work of her

Answer 1

فعل جمله رو نیاوردین. دو حالت داره:

It is generally considered to have been work of her.

It was generally considered to have had been work of her.