Her little son fell off the boat into the water due to her carelessness. The mother couldn’t help _____because she couldn’t help _____ her son out of the danger.

A．crying; to save

B．crying; saving

C．to cry; to save

D．cry; saving

Allow children the space to voice their opinions,       they are different from your own. [ ]

A.until

B.even if

C.unless

D.as though