He tried to deal with the increasing burden of his work，but he finally _____ and had to

take a complete rest. [ ]

A. broke off

B. broke away

C. broke out

D. broke down

《物业管理条例》明确规定：建设单位制定的临时管理规约应当在物业销售之前向物业买受人明示。这里的明示，应理解为( )。

A．以口头形式向物业买受人明确无误的告示
B．以书面形式向物业买受人明确无误的告示
C．以开会形式向物业买受人明确无误的告示
D．以传单形式向物业买受人传播告示