— We could have asked Miss Keller for help. She is always kind-hearted.

— Yes. A whole day _____. [ ]

A. will waste

B. had wasted

C. was wasted

D. would be wasted

神经精神问题占全世界所有疾病和损伤所导致的残疾矫正生命年（DALYs）总数的（）

A.10%

B.12%

C.13%

D.15%

E.20%