Mark the letter A, B, C, or D on your answser sheet to indicate the sentence that best combines each pair of sentences in the following questions.
Some kinds of fish live in fresh water. Others live in sea water.
A. Some kinds of fish live in fresh water, for others live in sea water.
B. Some kinds of fish live in fresh water, and others live in sea water.
C. Some kinds of fish live in fresh water, or others live in sea water.
D. Some kinds of fish live in fresh water, so others live in sea water.