——The research on the new bird flu virus vaccine is challenging and demanding. Who do you

问题补充：

——The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?

—— Tom have a try?

A. Shall

B. Can

C. Will

D. Need

答案：

(答案→)A. Shall

B. Can

C. Will

D. Need

解析：可联系答.案.网客服索取。