I believe the answer is D. The reason I said D is because the craziest party is describing have been.
The state of being parallel or corresponding in some way
A=2
5a^4
(5*2)^4
10^4
10,000 - you were correct.
A. I think because Cadence, in music, the ending of a phrase, perceived as a rhythmic or melodic articulation or a harmonic change or all of these; in a larger sense, a cadence may be a demarcation of a half-phrase, of a section of music, or of an entire movement. (I am sorry if I am wrong )
