单选题 Don't keep us in______any longer. Tell us what happened so that we can give you a hand.
【正确答案】 A
【答案解析】解析:名词词义辨析。根据语境,应该是比较担心。in suspense“悬着的,悬而未决的”,也可以表示“焦虑”,符合语境。故答案为A。