-Mum, why do you always make me eat an egg every day?

-______ enough protein and nutrition as you are growing up.[ ]

A. Get

B. Getting

C. To get

D. To be getting.

根据下图回答问题

该化合物是由（）个氨基酸分子失去（）水分子而形成的，这种反应叫做（）