单选题 The poetry of Ezra Pound is sometimes difficult to understand because it contains so many ______ references.
[A] obscure [B] acute [C] notable [D] objective

【正确答案】 A

【答案解析】obscure模糊不清的；acute敏锐的；急性的；notable值得注意的；objective客观(上)的。句意：爱兹拉·庞德的诗有时很难懂，因为在他的诗中有相当多令人费解的典故。