(2018·全國卷Ⅲ)I'm not sure ________ is more frightened, me or the female gorilla (大猩猩) that suddenly appears out of nowhere. I'm walking on a path in the forest in the Central African Republic.
【回答】
which 考查名詞*從句的連接詞。根據下文的“me or the female gorilla”可知,此處給出兩個選擇,不確定哪一個更害怕。故填連接代詞which。