— Excuse me, sir. The shoes are a bit small for me.

— Don't worry. I'll change them for a             size. [ ]

A. smaller

B. smallest

C. larger

D. largest

避雷器精益化评价中，出厂试验报告扣分原则包括（）。

A.没有资料

B.试验项目不齐全

C.试验项目不规范

D.试验内容错误