【C15】
A.related
B.concerned
C.united
D.associated
请帮忙给出正确答案和分析,谢谢!
A.relatedB.consideredC.concernedD.touched
【C12】A.resolvedB.concernedC.involvedD.relevant
【C6】A.worriedB.concernedC.anxiousD.nervous
【C7】A.relatedB.hiddenC.disguisedD.reserved
【C4】A.worriedB.concernedC.troubledD.shocked