Can you check my answer?

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 and it made him tired. My answer
C-It made Matt tired to hike the trail yesterday
D- Matt was tired after hiking the trail yesterday

2 answers

No.

http://grammar.about.com/od/fh/g/gerundterm.htm
I believe it is D then..?