Which of the Following Statements Concerning the Use of Animals

Multiple Choice

Which of the following statements concerning the use of animals in research is true?

A) Animals may never be subjected to pain or discomfort in research.
B) Animals may be subjected to pain or discomfort only when an alternative procedure is not available.
C) Animals may be subjected to pain or discomfort only when the scientific goals justify such procedures.
D) Animals may be subjected to pain or discomfort only when an alternative procedure is not available and the scientific goals justify such procedures.