教育储蓄对于每户本金合计超过（）元或一次性趸存本金的，一律不得享受教育储蓄利息及免税的优惠政策.
A.5000
B.1万
C.2万
D.5万
参考答案：C
I failed in the final examination last term and only then _____ the importance of studies.[ ]
A. I realized
B. I had realized
C. had I realized
D. did I realize
各民族中，______族人数最多，接近全国总人口的92%．
