The author conveys the joy in this excerpt "a group in the back started fanning themselves and singing the song 'heatwave,' making everyone laugh and sing along" through the use of

a) an allusion
b) anaphora
c) a metaphor
d) repetition

A) an allusion

Explanation:

Allusion happens when you make a reference or quote to something or someone. In the case of the phrase shown in the above question, the author conveys joy through the allusion (ie reference) to the song "Heatwave". Allusion is a kind of intertext, where one text relates to another explicitly or implicitly. Thus it is permissible to mention facts, people, works of art, historical events, music, celebrities, already existing in other works.

theres no poem include that

now, of course, the quality and the seasonability of these winter dreams varied, but the stuff of them remained.   they persuaded dexter several years later to pass up a business course at the state university—his father, prospering now, would have paid his way—for the precarious advantage of attending an older and more famous university in the east, where he was bothered by his scanty funds. but do not get the impression, because his winter dreams happened to be concerned at first with musings on the rich, that there was anything merely snobbish in the boy. he wanted not association with glittering things and glittering people—he wanted the glittering things themselves. often he reached out for the best without knowing why he wanted it—and sometimes he ran up against the mysterious denials and prohibitions in which life indulges.

there you go thats what we are missing