Which option correctly completes the text below?
The Rosetta Stone
"Egyptian hieroglyphic ________________ undeciphered until the 19th century. Members of Napoleon’s Egyptian expedition of 1799________________a black basalt stone, ______________ 114 x 72 cm, at Rashid (Rosetta). The stone ___________ with three different scripts: hieroglyphic, the derived demotic script,_________________ everyday purposes, and Greek. (...)”
(CRYSTAL, David. The Cambridge Encyclopedia of Language, 3rd edition, Cambridge University Press, 2010.)