某医院腹腔镜室，由于病人较多，腹腔镜反复使用，清洗匆忙，消毒时间为25min，经监测发现腹腔镜管道有致病菌，其导致直接原因是（）

A.清洗充分，刷洗到位

B.酶清洗液多次使用

C.腹腔镜部件复杂，不能拆卸

D.消毒液浓度不够

E.浸泡消毒时间不足，只达到高水平消毒，未达到灭菌效果

For the first time in this century also, many people are able to enjoy their leisure to the full,()trips to the country or seaside at weekends, instead of being confined to their neighborhood.

A. making

B. to make

C. made

D. having made