问题
选择题
A middle-aged woman came _____ to the bus stop only_____ the bus had gone.
A．run; to find
B．running; to find
C．and ran; found
D．running; finding
答案
B
running是现在分词作方式状语；不定式作结果状语时，表示结果出乎主语的意料之外，尤其是和only连用时。