单选题 The primary purpose of the passage is to

• (A) contend that key terms in a scientific theory have been improperly used
• (B) argue that proponents of a scientific theory have obscured important details
• (C) demonstrate that two views once thought to be in conflict are actually identical
• (D) suggest that proponents of a theory have not stated their data in an exhaustive manner
• (E) show that a theory has been drawn into question by a more recent study