in that paragraph, the expression Mounting evidence could be a bit confusing, but it indicates that there's been reaserch about it before, and that it all points in the same direction, the more research proving the same point means the data is convincing. The answer is D.
Is a clause that can stand by itself in a simple sentence
Poetry is a creative experience and for YOU to let your creativity shine through!
Here are some tips:
Try writing about an experience, such as nervousness for a test or the thrills of skiing.
Poetic devices, if there is no rhyme, can include alliteration (repetition of beginning sounds) and repetition, as well as many others.