Yes it is.......................
C. delighted is part of the compound predicate because it is describing or explaining what the boys did
So all you have to do is write in the second column what you know. The third is for your conclusion, or your answer
Parenthetical<span> expressions, </span>direct<span> addresses, </span>two<span> or </span>more adjectives preceding<span> a </span>noun, and anappositive<span>.</span>