_______great progress you have made in your studies,you should continue to work hard.

如果选A　,　应该是Even　if　you　have　made　great　progress,．．．．
whatever　在这里＝no　matter　what　,　后面接名词,翻译为”无论什么.“
如　whatever　difficulty　you　may　meet,　you　should　neve　lose　heart．