I don’t know when my father _____ back, but I’ll let you know when he ___back.

A．comes, comes

B．will come, will come

C．comes, will come

D．will come, comes

隐翅虫皮炎的特点是（）。

A.圆形皮损，中心消退，边缘扩展

B.风团样皮疹，遍布全身

C.条索状虫爬痕迹，上有水疱、脓疱，自觉灼痛

D.片状出血点，轻度瘙痒

E.干燥、脱屑