In April 1997, Hillary Rodham Clinton hosted an all-day White House scientific conference on new findings
that indicates a child’s acquiring language, thinking, and emotional skills as an active process that may be largely completed before age three.
A. that indicates a child’s acquiring language, thinking, and emotional skills as
B. that are indicative of a child acquiring language, thinking, and emotional skills as
C. to indicate that when a child acquires language, thinking, and emotional skills, that it is
D. indicating that a child’s acquisition of language, thinking, and emotional skills is
E. indicative of a child’s acquisition of language, thinking, and emotional skills as
I think I am still a little bit confused about the using of the present participles
On this example, I eliminated D because I think the "indicating"can't function as a verb by itself. If it is used as a modifier to modify the whole first sentence, a "," will be needed before the "indicating".
Can someone help me, please?