The phrase 'B allure of rewards' in paragraph 1 best supports the definition of the word 'entice' which means to attract someone by offering a reward or pleasure.
The word entice typically means to attract someone to do something through the promise of a reward or pleasure. In the context of the question, the phrase that best supports this definition from paragraph 1 is likely 'B allure of rewards', as 'allure' suggests a powerful attraction or charm that can draw someone in. 'Rewards' are often used to entice people, thus making it closely associated with the act of enticing someone. The other options provided do not fit as closely with the definition of entice. Option 'A to discourage' suggests the opposite of enticing, option 'C to challenge' more implies testing someone's abilities or determination, and option 'D to attract' is missing the aspect of rewarding that is often part of enticing.
The question is asking which phrase from paragraph 1 best supports the meaning of the word 'entice.' The word 'entice' means to attract someone or something. In this context, it is asking which phrase in paragraph 1 suggests attracting or alluring someone. The phrase 'allure of rewards' in option B best supports the answer to part A because it suggests attracting or enticing someone with the promise of rewards.