Studies have disclosed that new containerships built in 2013 are 10 percent less fuel-efficient \_\_\_\_ in 1990.
Athan that built
Bthan those built正確答案
Cthan built
Dthan it was
答案與詳解
為什麼答案是 B
those 用於指代前文的複數名詞，此處完美替代 the containerships，語法與句意皆正確。
載入中…
