潍坊共达电声:一道英语词汇题

来源:百度文库 编辑:高考问答 时间:2024/07/06 15:21:46
Things might have been much worse if the mother ______on her right to keep the baby.
A has been insisting B had insested
C would insist D insisted
答案选B
答案选C
请详细解释一下每个选项 说明其中的语法和时态

选D
没原因,靠语感感觉出来的。