求助高手

htvaria

in what is known as the  greenhouse effect ,atomosphetic carbon dioxide traps heat that would otherwise be radiated  out space .

答案选D 但A 项的in 在句中作什么成分啊

financier Andrew Mellon donated  most of his magnificent  art collection  to the National Gallery of Art ,where it is now locating.

答案选D 但C项中的词为什么不用复数，应该是可数的阿

Fishes are

htvaria

呵呵。后面的多写了