Theseremarkablefindingssuggesttheelephantshave

問題詳情：

 These remarkable findings suggest the elephants have ________ a memory capacity to make       distinctions between human voices.

       A. built up                    B. packed up                 C. brought up               D. took up

【回答】

A

知識點：詞組 短語

題型：選擇題