Santiago is the hero of Hemingway novel?

(A) A Farewell to arms
(B) The sun also rises
(C) For whom the bell tolls
(D) The old man and the sea

Which among following novels of Dickens was left unfinished?

(A) Bleak House
(B) A Tale of Two Cities
(C) The Mystery of Edwin Drood
(D) The Old Curiosity Shop