would
wouldn't
did
didn't
陈述部分是宾语从句时，谓语为除suppose, think, believe, expect, imagine这类词以外的其他动词，反义疑问句要与主句保持一致。本题中主句的谓语动词是said，所以这里要用didn't进行反问。
句意：辛西娅说她明天下午不去听讲座，是吗?
