Many students, ________ some pocket money and social experience, work during their holidays.

A．to get

B．having got

C．getting

D．got

对主滑段滑床及地表坡面较平缓，前缘有较多地下水渗出的浅层土质滑坡最宜采用下列什么措施（）

A.在滑坡前缘填土反压 

B.在滑坡中后部减重 

C.支撑渗沟 

D.锚索支护