The Greek ship drifted and struck the portside of a Chinese ship, which（）the bulwalk and stanchions.

A.caused damage to

B.had collision with

C.was damaging

D.was causing damage to

吹塑模具保养的内容，不包括（）

A、定期润滑和更换导柱、导套

B、定期对型腔喷砂

C、定期修理型腔

D、定期修理合模刃口