选择题：Sweat damage will occur in a cargo hold containing machinery parts when ______.A.the outsi

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