Which of the followings are right?
A.
In the blacking factory, Charles Dickens worked from morning till night, suffering from hunger and cold.
B.
Dickens stopped his learning because of his father's imprisonment.
C.
Dickens's unhappiest time of all his life was his working experience in the blacking factory.
D.
Dickens died on February 7, 1812, in a district of the city of Portsmouth, Hampshire.