There are different evaluative questions that we can ask to that excerpt. But, one crucial point must bind these questions. The questions have to be personal. One example could be:
According to the excerpt, do you think Mr. Yallow has to be held responsible for the actions of Graciella?
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).
I think it is D
Hope my answer help you?!
