We found it ______ to climb further due to bad weather and decided to give up the expedition.

Options

A. impossible
B. boring
C. exciting
D. pleasant

Explanation

Impossible- not able to occur, exist or be done.
Boring- not interesting Exciting- causing great enthusiasm and eagerness.
pleasant- giving a sense of happiness, satisfaction, or enjoyment.
According to the context of the sentence option (a) is the most suitable answer.