What is the infinitive phrase in this sentence? To revise your writing carefully will improve your presentation and provide you with success.

A. To revise you writing carefully
B. Will improve
C. Your presentation
D. And provide you with success
Matt hiked the trail yesterday. It made him tired. Which sentence combines the two sentences using a gerund phrase?
A. Hiking the trail yesterday made Matt tired
B. Matt hiked the trail it made him tired
C. It made Matt tired to him the trail yesterday
D. Matt was tired after hiking the trail yesterday
Please help I don't know the answers