77. Rank the following in order of decreasing acid strength (most acidic FIRST).
(A) ② > ④ > ① > ③
(B) ① > ③> ④ > ②
(C) ③> ① > ②> ④
(D) ③> ①> ④ > ②
(E) ①> ② > ③> ④
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統計: A(0), B(0), C(0), D(2), E(0) #2241250
統計: A(0), B(0), C(0), D(2), E(0) #2241250