--- reading and speaking English every day,he would speak it

这是一个省略句 这句话完整的样子是这样的
if he had practised reading and speaking English every day,he would speak it well enough now.
这里省略了if,这就需要把助词had 提前
于是选A
这里虽然用了every day 但是是指过去的每一天 所以要用过去完成时