26. What is the passage mainly about?
(A) Encouraging consumers to shop at supermarkets.
(B) The advantages of buying goods in bulk.
(C) Tipping practice in grocery shopping.
(D) Informing consumers of some supermarket shopping tips.
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統計: A(5), B(6), C(23), D(195), E(0) #880135
統計: A(5), B(6), C(23), D(195), E(0) #880135