31. The classroom instructor concluded the discussion of creation by saying, 'There is no need to argue this question any ______.'

Answer: C

Explanation:

There is no need to argue this question any further.

The phrase 'There is no need to argue this question any further' indicates that the discussion has reached its conclusion and no additional debate is necessary.

A) much farther.

The term 'much farther' is incorrect in this context as it implies a greater physical distance, rather than extending a discussion or argument. While 'farther' can refer to distance, it is not appropriate for the figurative sense of continuing a conversation.

B) additional.

'Additional' does not fit well in this context because it suggests the need for more of something, which contradicts the instructor's statement that no more argument is required. The phrase would sound awkward and misplaced if 'additional' were used.

C) further.

'Further' is the correct choice as it appropriately conveys the idea of extending a discussion in a figurative sense. It aligns with the instructor's intention to indicate that the topic has been sufficiently covered, and no more discussion is needed.

D) farther.

While 'farther' can mean to a greater extent, it is generally used in contexts relating to physical distance. In this instance, the instructor is referring to the continuation of a discussion, making 'further' the more suitable choice.

Conclusion

The correct answer, 'further,' effectively communicates the notion of ceasing any additional argument on the topic discussed. In contrast, the other options either misinterpret the context or render the sentence awkward and unclear. Thus, 'further' is the most appropriate term to convey the instructor's finality in the discussion.