下列反应的主要产物是<br /> <img src="https://static.zxtiku.com/wangke/imgs/topic/245b494e5fff24d42d9c7f47b2b90c19.jpg"/><br /> A、<img src="https://static.zxtiku.com/wangke/imgs/topic/73fbcea15efaf0e35fcb36ffa759183e.jpg"/><br /> B、<img src="https://static.zxtiku.com/wangke/imgs/topic/0f24a85842d028b71aedfd5e37feb4db.jpg"/><br /> C、<img src="https://static.zxtiku.com/wangke/imgs/topic/59f2f9b78b74c53f1d2224cb41cdd59c.jpg"/><br /> D、<img src="https://static.zxtiku.com/wangke/imgs/topic/76596ec9600352e19d74764d7a8bb546.jpg"/>