Read the Paragraph Below and Answer the Questions That Follow

Multiple Choice

Read the paragraph below and answer the questions that follow.
(1) Two different groups of black musicians grew up in New Orleans. (2) The first of these, the slaves, brought with them the music of Africa and the influences of Caribbean music. (3) Denied education and opportunity by slavery, they improvised, making instruments from gourds, bamboo, and bone. (4) They created songs charged with emotion: work songs, chants, and spirituals. (5) In contrast to the slaves, the "free men of color" were raised as Creoles. (6) Formally educated and sometimes sent to European schools, they were well versed in classical music, and they played classical instruments. (7) During the Reconstruction period, these two groups of musicians were flung together. (8) The brilliant child of this unlikely union was jazz.
Which of the following sentences contains a transitional expression that indicates contrast or comparison?

A) Sentence 4
B) Sentence 5
C) Sentence 7