— Do you think when they           to play basketball with us?

— I think they’ll come when they           free．

A．come；are

B．will come；will be

C．will come；are

D．come；will be

患者，男，38岁，有上腹部疼痛，经胃镜检查证实为慢性胃炎，以下可以帮助医生制定治疗方案的检验指标是（）

A.HP－Ab

B.TP－Ab

C.HBV

D.TE－Ab

E.HCV