I am disappointed with the new offces elected in our club.but thereis no poin_about itA to worry B for us worrying C in worring D with us to worry

I am disappointed with the new offces elected in our club.but thereis no poin_about it
A to worry B for us worrying C in worring D with us to worry

选C.there is no point in doing sth.意为：做…没有意义,这是固定搭配