My sister is as ______ as her classmate Joe, so they are good friends. A. outgoing B. more outgoing

My sister is as ______ as her classmate Joe, so they are good friends.
A. outgoing B. more outgoing C. the most outgoing
【答案】A
【解析】
【详解】句意“我的妹妹和她的同学乔一样外向，所以他们是好朋友”。A.形容词原级；B.形容词比较级；C.形容词最高级。根据as...as...“和……一样”可知，用原级，故选A。