How is the gerund functioning in the following sentence?

Traveling offers the opportunity to meet new people and experience new cultures.
1.As a direct object
2.As a subject complement
3.As an object of preposition
4.As a subject of the sentences

8 answers

http://www.chompchomp.com/terms.htm

Scroll down and study Gerunds here. Then let me know what you decide.
Is the answer c check please
Not C.
I forgives it out thanks
You're welcome.
is it B
It is the subject of a sentence.
its d