The edge of the carpet was frayed into a ________.

As a result the nerves of both the Duke and Duchess were excessively frayed when the ______ buzzer of the outer door eventurally sounded.

After an earthquake, if you see sparks or broken or frayed wires, or if you smell hot insulation, you should look for______.

中国大学MOOC: As a result the nerves of both the Duke and Duchess were excessively frayed when the muted buzzer of the outer door eventually sounded. (Para. 1)

Choose the rhetorical device used in the following sentence.“As a result the nerves of both the Duke and Duchess were excessively frayed when the muted buzzer of the outer door eventually sounded.” A: Alliteration B: Synecdoche C: Metaphor D: Personification