I\'ve always been cautious about giving

题库总管2019-12-17  23

问题 I've always been cautious about giving people my phone number.

选项 A: afraidB: frightenedC: carefulD:rational

答案C

解析句意为:在将自己的电话号码给别人这件事上我一直都十分小心谨慎。 afraid意为 “害怕、担心”;frightened意为“受惊吓的、受恐吓的”;rational意为“理性的、合理的”; careful意为“小心的、仔细的”,与题目中的cautious意思相近。因此C项正确。
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