Chimamanda Ngozi Adichie's 2013 novel

Americanah chronicles the divergent experiences of Ifemelu and Obinze, a young Nigerian couple, after high school. Ifemelu moves to the United States to attend a prestigious university. -
Obinze
travels to London, hoping to start a career there.
However, frustrated with the lack of opportunities, he soon returns to Nigeria.
Which choice completes the text with the most logical transition?
A) Meanwhile,
B) Nevertheless,
C) Secondly,
D) In fact,

B) Nevertheless,