'forgot his umbrella' would be the subordinate clause in that sentence.
And it is an adjective clause.
I believe the type of figurative language is Imagery.
This line is foreshadowing because it implies that anything -- even people -- that becomes a burden can easily be destroyed.
Later, when Beatty himself becomes a problem, Montag burns Beatty to death. When Montag killed Beatty, he destroyed the responsibility he owed him. In this way, this line is an element of foreshadowing.
Answer:
Option A " Two characters wearing masks at a costume party meet..." is an example of dramatic irony because in this case, the reader knows the two characters are good friends but the characters involve do not know this, and believe the other is just a stranger.
Explanation: