小题1:A
小题2:C
小题3:B
小题4:C
小题1:细节理解题。结合第一段的, I bought a Perfect Muffin Kit(松饼粉 ) from your store可知答案。
小题2:作者态度题。结合You can imagine my disappointment when, upon tasting the muffins可知答案。
小题3:细节理解题。结合this product did not live up to what it promised可知答案。
小题4:细节理解题。结合I would appreciate a full refund(退款 ) of $3.99 for this product as soon as possible可知答案。