Comets have been mistakenly interpreted by humans in times past as______of doom, foretelling famine, plague, and destruction.

A． chilly : frigidity
B． cacophonous: sound
C． riffling: stream
D． distant : odometer
E． poignant : ditty

A． acme : mountain
B． clearing : thicket
C． beach : sea
D． soil : trench
E． brook : levee