题目内容：
Well, really _____ now is start learning what to do with this software and read a lot of tutorials, learn and practice _____ you can.
A.what you should do; as much as
B.that you need do; whatever
C.how you should start; the most
D.as should you do; the longest hours
参考答案：【答案仅供学习，请勿对照自行用药等】
答案解析：