Go through the roof
Go through the roof (Idiom)
We’re really happy that our number of LINE followers has gone through the roof.
選項說明:
A) 「這個受損了」的英文是：It is damaged
B) 「太大了」的英文是：too big in size
C) 「快速增長」的英文是：Go through the roof
D) 「超過預期」的英文是：beyond our expectation
Explanation
如果某事物 going through the roof，就表示其數量快速成長。
例句翻譯:
我們很高興我們LINE的粉絲數目快速的成長。
正確答案是 C