The answer is pass-over.<span />
Compound events, in probability, is an event when two or more things happening at once. From the given choices, the answer is letter "C. rolling a 3 on a die and getting heads on a coin toss". Where the rolling of a die and tossing of the coin can happen together.
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 )
An allusion -- the writer is making a reference to another work or incident
