It is this line: "<span>Fellow-citizens, above your national, tumultuous joy, I hear the mournful wail of millions! whose chains, heavy and grievous yesterday, are, to-day, rendered more intolerable by the jubilee shouts that reach them."
Douglass admits that the Independence Day is an important date when a great thing happened for all Americans. But he thinks it is inappropriate to celebrate a nationwide holiday when there are millions of members of this nation who are not free and able to celebrate. This festivity makes those people feel even worse.</span>
Your answer is A, explaining how social networking is changing friendships.
D. Jerry loves tennis; he plays every day.
<span>Because these are two sentences that can be separated by a semicolon. </span>