【题目】I was ______ them about my travels ______ she broke in with a story of her own.
A. to tell; while B. about to tell; when
C. was going to; while D. telling; while
在线课程【答案】B
【解析】B 考察时态及固定短语，be about to do......when,正要做……突然，这里是我正要告诉她，突然……A与C项中将来时与while连用，不符合。