The boy was lucky enough to have escaped _____for being late for school .

A．being punished

B．to be punished

C．punishing

D．to have been punished

2岁6个月男孩尚不会说话，G3P1，足月顺产，否认产伤窒息，产重3千克，生后母乳喂养至3个月，现与成人同食。9月时曾发“mama，baba”，现偶发“爸，妈，姐”，不主动说话，可以手势表示需要。可跑跳、乱画，不会用杯喝水，不与小朋友玩耍，玩具不愿他人动。由保姆带养，与父母接触少。

应首选的筛查是

A．智力测试

B．头颅B超

C．听觉

D．生长水平判断

E．甲状腺功能检测