Which line from The Riddle of the Rosetta Stone shows logical thinking?
All his years of painstaking and often frustrating attempts at deciphering had been rewarded.

Working steadily, Champollion in the next month deciphered more than eighty cartouches.

He decided the three hieroglyphs must represent the name of Thothmes, the "Child of Thoth," a pharaoh who ruled Egypt from 1501 to 1447 B. C.

As soon as the last letter was in place, the young Frenchman rushed out of his apartment and ran to the nearby library where his brother was working.

He decided the three hieroglyphs must represent the name of Thothmes, the "Child of Thoth," a pharaoh who ruled Egypt from 1501 to 1447 B.C.

Explanation:

This line is a description of a line of logical thinking employed by the explorer to decipher the secrets about the language of the people he was studying. The hieroglyphs here represented the name f the Pharaoh.

this was one of the steps towards deciphering the old Egyptian language which was conveyed through symbols and then from here was the language deciphered on the Rosetta stone following the same logic employed here.

definition was not one of the four methods

where are the multiple choice answers?