单选题
1分
When she was invited to the party,she readily accepted.
参考答案: A
参考解析: 本句意思:当她被邀请参加聚会时,她欣然接受了。readily意为“乐意地,欣然”,与willingly(愿意地,乐意地)意思相近。suddenly突然;firmly.坚定地;quickly快速地。