In which of the following sentences has the colon or semicolon been used correctly?
a. Caesar was dead: Rome was in confusion.
b. A pronoun is used in place of a noun; for example, she, who, they.
c. A first aid kit should contain the following articles; bandages, gauze, soap, antiseptic, plasters, and lotion.
d. A Tale of Two Cities: written by Charles Dickens, begins as follows, "It was the best of times; it was the worst of times."