住宅内插座,低于( )时,应采用安全型插座且配电回路设有漏电电流动作保护装置时,其安装高度可不受限制。
A.0.3m
B.1.5m
C.1.8m
D.2.3m
参考答案:C
— ____, Tom. Is this your pen?
— No, it isn't. I think it's ____. [ ]
A. Excuse me; Jack
B. Sorry; Jack's
C. Excuse me; Jack's
D. Sorry; Jack