关于现在分词和过去分词We had a ___ discussion ___ how to slove this problem.A.heating ,concerningB.heated ,concernedC.heated ,concerningD.heating ,concerned为什么选C?

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关于现在分词和过去分词We had a ___ discussion ___ how to slove this problem.A.heating ,concerningB.heated ,concernedC.heated ,concerningD.heating ,concerned为什么选C?
关于现在分词和过去分词
We had a ___ discussion ___ how to slove this problem.
A.heating ,concerning
B.heated ,concerned
C.heated ,concerning
D.heating ,concerned
为什么选C?

关于现在分词和过去分词We had a ___ discussion ___ how to slove this problem.A.heating ,concerningB.heated ,concernedC.heated ,concerningD.heating ,concerned为什么选C?
heated的意思是激烈的 它只是一个修饰discussion的形容词.concerning how to slove this problem.是一个现在分词短语,做discussion的后置定语.这句话的意思是:我们进行了一个关于如何解决这个问题的激烈讨论.