The architect proposed that supplies for the new wing of the hospital, which hospital administrators hoped to open by the end of the year, will be procured from local providers.

(A) that supplies for the new wing of the hospital, which hospital administrators hoped to open by the end of the year, will be
(B) that supplies for the hospital's new wing, which hospital administrators hope to be opened by the end of the year, be
(C) that the hospital's new wing's supplies, which hospital administrators hope to be opened by year's end, might be
(D) that supplies for the new wing of the hospital, which hospital administrators hope to be open by the end of the year, were
(E) that supplies for the hospital's new wing, which hospital administrators hope to open by the end of the year, be


This a simple SC using some understanding of usage of WHICH....

Which should modify the Wing not the hospital because the new wing will be opened not the hospital.

This will leave us with 2 options B and E

B is wrong because it used opened...Here to open must be used because of future tense WILL be next year....