Hergrandparentsarestillingoodhealth

問題詳情：

Her grandparents are still in good health________ they are over eighty.

A. though             B. as soon as               C. until                        D. because

【回答】

A

解析：語境表明兩個句子是"讓步關係"。

知識點：連詞

題型：選擇題