No trecho do último parágrafo – A city’s ability to keep solid waste out of drainage ditches can also influence whether a neighborhood floods after...

No trecho do último parágrafo – A city’s ability to keep solid waste out of drainage ditches can also influence whether a neighborhood floods after a heavy storm. –, a palavra whether pode ser substituída, sem alteração de sentido, por

(A) as.
(B) either.
(C) if.
(D) like.
(E) so that.