Question

Помогите, пожалуйста! )
Вставить вместо точек. Только один верный вариант ответа.
●I knew that she ... in hospital
a. was
b. has been
c. is
d. had been
В каком времени употреблено предложение?

Answer 1

●I knew that she  had been ... in hospital
a. was
b. has been
c. is
d. had been