Read the excerpt from The Riddle of the Rosetta Stone, by James Cross Giblin. Another, more complete copy of the same decree that appeared on the Stone was found on a slab at Philae in 1848. Fuller translations of the hieroglyphic text soon followed. A Latin version came out in 1851, a French one in 1867, and an English one in 1871. But many of the hieroglyphs on this slab were missing also, so only a few words and phrases could be added to what was already known from the Rosetta Stone.

Which statement best expresses the central idea of the excerpt?

1) A complete copy of the Rosetta Stone decree was found in 1848, and the code was fully deciphered.
2) The discovery of a more complete copy of the Rosetta Stone decree resulted in fuller translations.
3) It took several years for an English version of the Rosetta Stone to come out after its discovery.
4) Because so many hieroglyphics were missing from the Philae copy of the Rosetta Stone, it was unreadable.