Miss Read is good _____music. She is good _____ children in the music club.

A．for, with

B．with, with

C．with, at

D．at, with

下列有关诉讼费用负担的说法，错误的是（）

A.调解结案的，由当事人协商负担

B.诉讼费用一般由败诉方负担

C.双方都有责任的，按比例分担

D.人民法院无权决定诉讼费用的负担