It's A. Because each sentence sometimes need it to be supported
Answer: "you gave her in the morning" is an adjective clause.
It modifies or specifies which <u>pen</u>.
Explanation: If the word "that" had been included, as in
"that you gave her in the morning" it would be a relative clause; 'that' is a relative pronoun.
(In your question the "an___" is a hint that the answer starts with a vowel)
In any case, they are clauses, not phrases, because they include a subject, 'you', and a predicate, 'gave her in the morning.'
The answer is 'matrix'. In a matrix organization specialists from different parts of the organization are brought together on a temporary basis to work on specific projects.
To emphasize his determination
Ethos because it is convincing audience of reliable character or credibility of the argument