\_\_\_\_ in airplane before, the little girl was surprised and a little frightened when her ears popped.
AHad ever flown
BHaving never flown正確答案
CBecause not flying
DBecause she never flew
答案與詳解
現在分詞完成式否定形,正確表達「從未搭過」的語意,且動作發生在主句動詞 was 之前,符合分詞構句語法與邏輯。
