he took the rain and stormy weather as a(n) sign that his day would not go well.
she did not qualify for the tennis finals, so she was in a mood the whole day.
the frog had a sleek body that twisted in a way as it leaped.
he had to apologize for using language; they were threatening to kick him out of camp.

- "a nonrestrictive clause functions as a modifier to a noun (that is an object, person or concept). these clauses can be described by the following three options: it is set off by comas, it contains a subject and a verbs and it adds nonessential information to the sentence.

for example, in "here is bill gates, who confounded microsoft software company" we can identify "who confounded microsoft software company" as a nonrestrictive clause modifying the noun bill gates. this clause can be describes as a nonrestrictive clause because it is separated by a comma, it adds nonessential information to identify who bill gates is and it must contain both a subject (who) and a verb (confounded)."

just did the class the answer was c.have a good day