一道英语单选题求解ColleenBowserhashadmanysleeplessnights,___aboutthesafetyofherdaughter,whoislivingaloneinanothercity.A.worryingB.toworryC.beingworriedD.havingworried选A,但我想问下A和C之间的区别,还有什
一道英语单选题求解
ColleenBowserhashadmanysleeplessnights,___aboutthesafetyofherdaughter,whoislivingaloneinanothercity.
A.worryingB.toworryC.beingworriedD.havingworried
选A,但我想问下A和C之间的区别,还有什么时候用C呢?谢谢.