Question

The best way is a combination of several things: physical interaction with others of its own kind or specially-trained human companions, desirable features in the enclosure such as swimming pools and ledges for perching and sleeping, and toys to play with.

The use of a colon in this sentence is correct because

A) colons can be used in place of a period
B) colons and semi-colons are interchangeable
C) colons separate two independent clauses into sections in the sentence.
D) colons should be used after independent clauses that come before lists.

Answer 1

option b is the correct answer