单选题 The chairman asked the members to______their votes for or against the proposal.
【正确答案】 A
【答案解析】解析：A项cast“投，扔”，cast votes“投票”；B项throw“投，扔”，指用手臂突然用力把某物向一定目标扔去；C项bid“投标，出价”，是拍卖和投标用语；D项offer“出价，开价，报价”。