单选题 There is a direct flight at 3:00 or a flight at 7:30 in the morning that ______ in Los Angeles.
A. stops by B. stops in C. stops over D. stops up

【正确答案】 C

【答案解析】[解析] C项“stops over中途停留”符合题意。其他三项“A项stops by顺便访问；B项stops in短暂访问；D项stops up醒着，没有睡，熬夜”都不正确。本题的空格处是说中途在洛杉矶停留。因此C项为正确答案。