服用异烟阱时（）

A．宜食高蛋白食物

B．不宜多食脂肪

C．不宜吃鱼

D．宜少食高蛋白食物

E．可适当多食脂肪性食物

There came a point in his life ______ he had to think seriously about his future．

A．what

B．that

C．when

D．which