Tom likes to play ______ violin in the morning and play ______ volleyball in the afternoon.

A．the; the

B．the; /

C．/; the

D．/; /

下列起重机属于塔式起重机按爬升方式分类类别的是（）。

A、动臂变幅塔式起重机

B、折臂式塔式起重机

C、小车变幅塔式起重机

D、附着式塔式起重机