I assume that the verbal phrase underlined was "to arrive at the base camp"
It's an infinitive verbal phrase as it focuces on the indefinite form "to arrive"
It modified the word "eager", which is an adjective, and it gives more information about how eager, or what the reason for the eagerness was - this means it's an adverb phrase
So the answer is: infinitive; adverb
Answer: D.
Ancient Chinese philosopher Lao Tzu commented on the pointlessness of rushing when he said, "Nature does not hurry, yet everything is accomplished".