I think it is B
Explanation:
I could be wrong so no hating
He would benefit from seeing a live performance because he could then see experienced actors play out the emotions, therefore giving him a more in-depth look on the feelings. This would make his essay much more fleshed out and analytical.
The participle in this sentence is "sweating". It's a participle of the verb " to sweat" and it's a present participle: which we know because it ends with an -ing (past participles end with "-ed).
