设有支护的基坑土方开挖过程中，能够反映坑底土体隆起的监测项目是（）。
A.立柱变形
B.冠梁变形
C.地表沉降
D.支撑梁变形
参考答案：A
Bella is really a good colleague in the office, I mean, _______ we don’t have everything in common.[ ]
A. as if
B. so that
C. even though
D. now that
简述油液污染的原因？
