<span>B. nonrestrictive clause
Since it is nonrestrictive, it is not necessary and is set off by commas.
Hope this helps :)</span>
Rephrase the thesis in a new way
The steam from the heaping mound of crisp, golden French fries warmed my face.
"In September he spent most of his time visiting parks, while in October he mostly flew kites" would be a possible combination, although there are several others you could choose.