题目内容
(请给出正确答案)
[主观题]
In this section, we will briefly describe possible wys of reducing the costsnd risks _____
_ in doIn this section, we will briefly describe possible wys of reducing the costsnd risks ______ in doing this.involving B.involved C.to involve D.being involved
A.involving
B.involved
C.to involve
D.being involved
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