The tragic case of anna, the isolated girl who was studied by kingsley davis, shows that (a) humans have most of the same instincts found in other animal species.(b) without social experience, a child is incapable of thought or meaningful action. (c) personality is present in humans at birth.(d) many human instincts disappear after the first few years of life.

(B) without social experience, a child is incapable of thought or meaningful action.

Explanation:

Kingsley Davis born August 20, 1908 was referred to as one of the most outstanding social scientists of the twentieth century. Davis treated a young girl named Alice Marie Harris who was considered a feral child after being raised in isolation. His study showed that without social experience, a child is incapable of thought or meaningful action.

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