Thousands of rockets ______ with chemicals were fired into the sky to create the beautiful scenes in the Asian Games .

A．load

B．loaded

C．loading

D．to load

男性，40岁，渔民．因发热1周伴腹痛、腹胀、腹泻，大便每日3～4次，稀便有黏冻，村卫生室给服氯霉素5天，患者热退，症状好转，继续工作，2周后再次发热，体温39℃，抽血培养有伤寒杆菌生长。这提示患者可能是（）

A.伤寒复发

B.初发作寒

C.再燃

D.带菌者

E.迁延型伤寒