I was ________ them about my travels ________ she broke in with a story of her own on her visit to Hainan.
A. to tell; when B. about to tell; when C. going to tell; while D. telling; while
I was ________ them about my travels ________ she broke in with a story of her own on her visit to Hainan.
A. to tell; when B. about to tell; when C. going to tell; while D. telling; while
B