---Would you like to have a picnic with us?--- .
A. Yes, I would
B. Yes, I’d like
C. Yes, I’d love to
D. No, I don’t like to
网友回答
A. Yes, I would
B. Yes, I’d like
(答案→)C. Yes, I’d love to
D. No, I don’t like to
解析：would you like to....是对方发出一个善意的要求或提出一个建议的句型，肯定的回答一般是 yes,please.或yes,I'd like to...否定的回答一般是No，thanks.或no，thank you.或No，I'm afraid...
总之回答起来不要太直白，要拒绝的委婉一些。根据上文，你要和我们一起去野餐吗？可知选C为最佳答案。