Sentence Correction

At approximately 22 weeks, a fetus becomes fully covered by lanugo, or a fine, soft hair that insulates the body until fat deposits accumulate in the wrinkles of the skin, often remaining until birth.

A) a fine, soft hair that insulates the body until fat deposits accumulate in the wrinkles of the skin, often remaining
B) fine, soft hair insulating the body until the accumulation of fat deposits in the wrinkles of the skin, and these often remain
C) fine, soft hair that insulates the body until the accumulation of fat deposits in the wrinkles of skin that often remain
D) a fine, soft hair, which insulates the body until fat deposits accumulate in the wrinkles of the skin, and which often remain
E) fine, soft hair, which insulates the body until an accumulation of fat deposits in the wrinkles of the skin, which often remains

OA: A
Source: Magoosh

How does the VERB-ing modifier works in OA?

Mo2men wrote:How does the VERB-ing modifier works in OA?

Generally, COMMA + VERBing serves to express an action that is brought about by the nearest preceding action.
OA: Fat deposits accumulate in the wrinkles of the skin, often remaining until birth.
Here, the VERBing action in blue is brought about by the preceding action in red.