Examples are comma, colon, semi-colon, Dash, parentheses,
Not 100 percent sure but i believe the set of words that is an adjective clause is D.
That I would like to study in more depth.
It includes the pronoun (that) the verb (study) and the subject (I)
<span>the answer is attitude</span>
For the first one i'd say the answer is C
and for the second one i'd say the answer is C