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A is corrent because contracts are enforceable against a drunkard unless the drunkard was so intoxicated at the time of contracting that s/he lacked the ability to understand the nature and terms of the contract. A drunkard who lacked such ability has the option of voiding any contract entered into during the period of drunkeness, provided that s/he returns any item received under the terms of the contract in the same or similar condition. In this question, since it states that Race’s ability to understand was significantly impaired by his drunkeness, Race may void the contract at his option.
B is incorrect because it makes no difference whether the intoxication was involuntary or voluntary. Race may still void the contract at his option.
C is incorrect because the contract created is voidable, not void. The contract is enforceable if Race chooses not to void it.
D is incorrect because the contract is voidable due to Race’s intoxication. Race was so intoxicated at the time of contracting that he lacked the ability to understand the nature and terms of the contract. His condition at the time of contracting allows him to void the contract at his option.