下列词语中加点的字，每对读音都不相同的一项是（   ）

A．和蔼／雾霭契约／楔子碑帖／请帖针灸／炙手可热

B．誊写／家眷晌午／响亮虾篓／佝偻菱角／模棱两可

C．匀称／称职破绽／沉淀屏障／屏幕笨拙/相形见绌

D．偌大／诺言晦气／悔恨蹊跷／蹊径迥异／炯炯有神

Mechanical gearing of deck machinery such as the windlass or boat hoists should（）.

A.be open to view so，if a foreign object gets in the gearing，the operator can immediately stop the machinery

B.have a guard over the gearing

C.be painted a contrasting color from the base color in order to call attention to the gearing

D.not be operated if there is any crew within 10 feet of the machinery