The answer you are looking for is A, member. The other 3 all have to do with being mindful! While a member just refers to a person. Not to mention there is no "or" in member!
Hope this helps!
B is the correct answer, they are 'targeting' their media, because they are searching for a specific audience, or looking for a target to pay the most attention to.
<span>That it isn't only external forces that can affect us but also internal ones.</span>
A. to interpret a literary work in light of a single idea