The author mentions that all of the following are aware of quantities in some ways EXCEPT

* Hướng dẫn giải

Đáp án là A.

B được đề cập: Research has also shown that both mice and pigeons can be taught to distinguish between odd and even numbers of food pieces.

C được đề cập: the naturalist Gilbert White tells how he surreptitiously removed one egg a day from a plover's nest

D được đề cập: It has also been noted by naturalists that a certain type of wasp always provides five - never four,