<span>The largest library in the United States, located in Washington, D.C., and maintained largely by federal appropriations. Its original purpose was to provide research facilities for members of Congress; today it serves the public as well.</span>
The term <em>slang</em> refers to <u>informal language</u> and it is usually considered to carry negative connotation, because it stands out from the standard, formal language.
So the answer here is that the connotation of <em>slang</em> in the second sentence is that:
The word <u>legitimate</u> helps us understand this, that even though slang was considered a bad thing, through time those words gained full meaning and are now commonly used.
Answer:
It's a regular sentence of someone saying and expressing the look on that person
Explanation:
I think it might be D, because on the first one she want to make a reservation, or an appointment. On the second one, she is showing concern about the reviews.