1.

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option._x005F_x000D_  _x005F_x000D_ The researchers are _____________ into the mode of life of diabetes patients as diabetes is a lifestyle ailment._x005F_x000D_

A. inspecting
B. investigating
C. observing
D. seeing
Answer» C. observing


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