10. Select the word or phrase that best indicates the meaning of the word 'rational'.

Answer: B

Explanation:

The word 'rational' best indicates the meaning of 'reason.'

The term 'rational' is closely associated with the concept of reason, as it refers to the ability to think logically and make decisions based on sound judgment.

A) Angry

The word 'angry' denotes a strong emotional response, which is the opposite of rational thinking. Rationality involves reasoning and logic, making this option incorrect.

B) Reason

This option accurately reflects the meaning of 'rational.' A rational thought process is one that is guided by reason, logic, and clear thinking, making it the correct choice.

C) Rodent

The term 'rodent' refers to a type of small mammal and has no relation to the concept of rationality. This option is incorrect as it does not convey any logical or reasoned thinking.

D) Proportion

While 'proportion' relates to balance or a ratio, it does not capture the essence of rationality, which is primarily about reasoning. Therefore, this option does not align with the meaning of 'rational.'

Conclusion

The word 'rational' is fundamentally linked to the concept of reason, as it describes a state of logical thought and clarity. All other options fail to encapsulate this core idea, making 'reason' the definitive choice for indicating the meaning of 'rational.'