New research has found that animals have memories, too — , they might be much cleverer than we thought.
A. in other words
B. above all
C. in many ways
D. all in all
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(答案→)A. in other words
B. above all
C. in many ways
D. all in all
解析： A. in other words换句话说，B. above all首要的是，最重要的是，C. in many ways在很多方面，D. all in all 总共，句意：新的研究发现动物也有记忆力，换句话说，它们可能比我们原来认为的更聪明。选A。