B. Intensive pronouns
In this case, the pronoun "himself" is right after the noun, so it is intensive. If the pronoun was after the verb, then it would have been reflexive.
The correct answer is A. reliable.
The writer was 'an authoritative source' because of her degrees, guest appearances, etc. Thus, she was a source you could rely on, she was reliable, given that she had experience to back her ideas up. Therefore A is the only correct answer.
Answer:
I am in a boat being battered by the waves with the wind on my back. Even though I know I should be brave despite my fear that the boat will capsize at any moment, I can't help but feel terrified.
