Question

Helen is 15 years old, and Joan is 15, too. So Helen is ____ Joan.

A．as big as

B．as older as

C．as old as

D．so old as

Answer 1

C

試題分析：句意：海倫15歲，瓊也15歲，所以海倫和瓊一樣大。As+形容詞原級+as表示“和……一樣……”, as old as （年齡）一樣大。Big用來形容體積大小，結合題意故選C。