Select the verbal; indicate whether it is a participle, gerund, or infinitive; and indicate how it functions in the sentence.

i recall participating in the marathon last year.

I recall participating in the marathon last year.

Verbal:   Participating

Type:   Gerund

Function: Direct object

I can inform you with confidence that this is 100% accurate.

d. to inform the recipient of the advantages of a business proposal

im not sure if its a or b but i think its b because of the past tense