Question

Which is the BEST example of parallel structure in the following sentence? Paul enjoyed helping his grandma keep her yard neat by mowing the grass, trimming the hedges monthly, and to always haul away the debris. Paul enjoyed helping his grandma keeping her yard neat by mowing the grass, trimming the hedges, and hauling away the debris. Paul enjoyed helping his grandma keep her yard neat by mowing the grass, trimming the hedges, and hauling away the debris. Paul enjoyed helping his grandma to keep her yard neat by mowing the grass, trimming the hedges, and to always haul away the debris. Leave it as is.

Answer 1

It is actually B

Step-by-step explanation:

simply because in option 3 (or c) "Paul enjoyed helping his grandma to keep her yard neat by mowing the grass, trimming the hedges, and to always haul away the debris." the "to keep" is unnecessary as shown in option 2 (or b)