What achievement revealed Bernardo Alberto Houssay's intelligence as a boy?

Question

(1 point)
• He wrote his first book before he was 10 years old.
• He was admitted to the university at age 14.
• He learned to read and write at age 4.
• He knew more than his parents.

Answer 1

The achievement that revealed Bernardo Alberto Houssay's intelligence as a boy is that he learned to read and write at age 4.