John had made________rapid progress that the teacher praised him

John had made________rapid progress that the teacher praised him in class.
A、such
B、very
C、so
D、such a
【正确答案】：A
【题目解析】：such +（a）（形容词）名词+that 从句；固定句式：如此……以至于……；process 是不可数名词，因此不和 a 连用。