单选题 Sarah, hurry up. I'm afraid you wouldn't have time to ______ before the party.

【正确答案】 A
【答案解析】系表结构和非谓语动词。“get changed”是换衣服的意思，“changed”是过去分词作表语，就像“get dressed”(穿衣服)和“be seated”(就座)一样。