In each of the following questions, a sentence/passage is given with two blank spaces. Three phrases/sentences are given below, two of which can be placed in blank spaces to make a meaningful sentence/passage. If none of the phrases/sentences is appropriate, mark e: as the answer.
We are _____ a great chemical experiment and ____to scientists.
A. living in the midst of
B. some serious consequences are becoming apparent
C. in threat of
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