The correct answer is talk excessively.
A. play the musical instrument known as a harpsichord
B. sing sweetly
C. talk excessively
D. throw a spear-like missile
The correct answer is (C) To talk excessively; to dwell on persistently or tediously in speaking or writing; to make frequent, annoying or boring reference.
Harp comes from Middle English harpe, Old English haerpe (a harp).
Examples of use:
- He felt that her constant harping would drive him batty.
- She harped continuously about his past mistakes.