Not only I but also Jane and Mary _____ tired of having one examination after another. [ ]

A. is 　

B. are 　

C. am 　

D. would be

男孩，3岁，被母亲牵拉右手上台阶时突然哭闹，拒绝使用右上肢。桡骨头压痛，诊断首先考虑为

A．右上肢软组织损伤
B．右肘关节脱位
C．右桡骨头半脱位
D．右肩关节脱位
E．肱骨髁上骨折