when the ugly duckling__,she __a beautiful swan

题目

when the ugly duckling__,she __a beautiful swan
a.grow up,grow into
b.grew into,grew up
c.grew up,grew into

答案

选C
When the ugly duckling grew up,she grew into a beautiful swan.
当这个丑小鸭长大后,她长成了一个美丽的天鹅.
grow up
长大,成长
grow into
成长为,渐成,变为