a tale of two cities

What leads to Darnay's acquittal in his first trial?

A. Mr. Lorry testifies that he cannot be sure Darnay was the man he saw on the ship.

B. Lucie tells the court how Darnay helped her father when they first met.

C. Carton has Stryver point that Carton resembles Darnay out so his identification is doubted.

D. John Barsard's testimony is thrown out because he has been in debtor's prison several times.