Which word is a SYNONYM for the word variation?

Yes or no? if you are a bibliophile you probably like to read.

In addition to academic and extracurricular achievements in school, i am an involved member of my community. i volunteer at the local animal shelter every saturday morning, and i build houses for a nonprofit organization a few times a year with my family. which of these rhetorical devices is most clearly used here? a. inductive logic b. ethos c. parallelism d. text structure

Which verb or verb phrase signals an inappropriate shift in mood. a) will you let b) should first change c) must attend d) will be served