Answer:
c. the actions of the colonists are foolish and ineffective
Explanation:
The colonialist of the excerpt were trying to find a solution to a problem that did not exist, therefore needed no solving. The rock wasn't in the way of the railroad, still, they were unsuccessfully trying to blow it. It does sound like a silly behavior.
Sardonic comment is one when sharp humour is used in a disdainful manner.
Moody verbs are pretty much a verb that shows mood. So like Angrily, its an action showing emotion.
