保管合同中保管人的义务不包括______。

A．第三人主张权利时的通知义务
B．权利危险时的返还和通知义务
C．妥善保管、专属保管和不得使用义务
D．贵重物品的声明义务

Sweat damage will occur in a cargo hold containing machinery parts when（）.

A.the outside air is colder than the cargo

B.the air temperature of the hold is higher than the outside air temperature

C.the dew point of the hold is higher than the temperature of the cargo

D.the dew point of the outside air is lower than the temperature of the cargo