Nhận biết (M1)

John Rankin was an outspoken abolitionist whose Ohio home was a stop on the underground railroad (the network of people and places that some enslaved people used to escape to freedom). __________ supporters of the railroad were secretive about their antislavery views. Usually, they were vocal abolitionists like Rankin.

Which choice completes the text with the most logical transition?

• A.

  Accordingly,

• B.

  In some cases,

• C.

  For example,

• D.

  However,