Answer:
B. A woman tries to survive in the wilderness after being stranded in a plane crash.
Explanation:
Internal conflict are problems that happen in the protagonist itself.
External conflict are problems that environmental things cause to the protagonist.
In option A, it is internal because he "doesn't think he's good enough."
In option B, it is external because 1) the woman got stranded from a plane crash and 2) she needs to survive the animals or any other environment problems around her.
In option C, it is internal because he "struggles to decide"
In option D, it was up to the protagonist itself if she would choose her fans over her friends.