—I often have hamburgers for lunch.

— You’d better. It’s bad for you ______ too much junk food.

A．eat

B．to eat

C．eating

D．ate

间日疟患者经奎宁治疗3天，临床症状消失，2个月后又出现疟疾，并在血中查到疟原虫，此种情况应考虑（）

A.疟疾复发

B.疟疾在感染

C.疟疾复燃

D.不同疟原虫混合感染

E.疟原虫重复感染