Which statement best describes Humbaba's impact on the epic's plot?

I believe these are the statements:

Humbaba establishes Gilgamesh as the hero of the poem.

Humbaba distracts Gilgamesh from the difficult journey.

Humbaba eases the challenges Gilgamesh must face.

Humbaba creates tension and suspense in the story.

The answer is the last one