“It’s better to pay the grocer than the doctor” was the saying that my late grandmother _________ frequently use to remind us of healthy eating.

A．might

B．would

C．could

D．should

下列科学家与其科学成就的对应错误的是( )。

A．普朗克—量子假说
B．魏格纳—大陆漂移说
C．卡罗瑟—首次实现人工核反应
D．摩尔根—创立基因学说