Answer:
A slab of stone used as a veneer for coarse masonry.
Explanation:
An adjective clause is a type of clause that also contains a subject and a verb, but functions to describe a noun. This clause is often introduced by pronouns such as whom, who, that, which and the adverb where, when and why. In the given sentence above, the adjective clause is, "who received a good grade". This clause describes the noun "student".
B. three friends meet at the park to play soccer