<span>A clause that tells how, when, where, or to what extent something was done is an <u>adverb clause</u>.
e.g. She asked me <u>where</u> I had been.
The above sentence contains a subject, a verb and one of the adverb questions.
HTH :)</span>
Answer:
<em>The bank teller gave Kurt </em><em>a look </em><em>when he deposited a real check for twenty million dollars.</em>
Explanation:
The indefinite article <em>a/an</em> is used before nouns that are singular and countable, so there is no article before a noun that is plural.
If the word after <em>a/an</em> begins with a consonant, then we use the indefinite article <em>a</em>.
If the word after <em>a/an</em> begins with a vowel, then we use the indefinite article <em>an.</em>
The article relates to the first word of the phrase (if there are more than one, for example, there is an adjective before a noun), so if we had an adjective before the noun <em>look</em> that starts with a vowel (e.g. empty), the correct article would be <em>an</em>.
The answer to this question is C. Depressants