问题
选择题
She was working in the room suddenly she heard a boy crying and ____ out as quickly as she could to see what was happening.
A．went
B．going
C．go
D．had gone
答案
答案：A
考查并列动词，句意是：她正在房间工作，这时听见一个男孩在哭，就尽快的冲出去看看发生什么了，went和heard是并列关系。选A。