When I saw so many people () in front of me,my heart could not help () fasta.seated,beating b.sit,beaten c.seating,beating d.sitting,beat说明为什么选这个答案

问题描述:

When I saw so many people () in front of me,my heart could not help () fast
a.seated,beating b.sit,beaten c.seating,beating d.sitting,beat
说明为什么选这个答案

A
see sb seated 看见某人坐着
can't/couldn't help doing...忍不住...