Question

All of the following word groups show parallelism except __________.

funny, arrogant, kindhearted
to walk to the store, to jump over a puddle, to run around the yard
smiling at my mother, when I cleaned my room, to ask my parents for a favor
if we wanted to eat lunch, if we needed to buy a car, if we wished to go on vacation

Answer 1

smiling at my mother, when I cleaned my room, to ask my parents for a favor

Answer 2

All of the following word groups show parallelism except smiling at my mother, when I cleaned my room, to ask my parents for a favor.
Parallelism refers to the usage of the same form throughout a sentence or a list of phrases. You can see that A, B, and D all have the same form in all of these examples, whereas in C they vary.