32. Among the problems is _____ they often failed to take into account that those people are more likely to use sunscreen.

A．that

B．what

C．when

D．Where

游戏结束时要做好的两件事是（）

A.收拾玩具和搞好卫生

B.搞好卫生和评议游戏

C.收拾玩具和封闭场地

D.收拾玩具和评议游戏