Which of the following is true regarding a restrictive adjectival clause?

A. It will follow a general noun and is not set off by commas.
B. It will be set off by commas.
C. It will typically include the relative pronoun which.
D. It will follow a proper noun.

i think it might be a but i wanna be sure a link would help also

3 answers

A is correct.

http://grammar.ccc.commnet.edu/grammar/clauses.htm#restrictive
Read the section on Relative Clauses.
thank you
You're welcome.