China's GDP grew by 7.1 percent in the first half of this year, _______ proved its proactive macro-economic policies were effective
A.it | B.that | C.what | D.which |
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China's GDP grew by 7.1 percent in the first half of this year, _______ proved its proactive macro-economic policies were effective
A.it | B.that | C.what | D.which |