Read the excerpt from The Riddle of the Rosetta Stone, by James Cross Giblin. There being assembled the Chief Priests and Prophets and those who enter the inner shrine for the robing of the gods, and the Fan-bearers and the Sacred Scribes and all the other priests from the temples throughout the land who have come to meet the king at Memphis, for the feast of the assumption by PTOLEMY, THE EVER-LIVING, THE BELOVED OF PTAH, THE GOD EPIPHANES EUCHARISTOS, of the kingship in which he succeeded his father, they being assembled in the temple in Memphis on this day declared:

What is the central idea of the excerpt?

a. Chief Priests and Prophets were permitted to enter the inner shrine.

b. The Sacred Scribes joined the assembly to record the events at the temple.

c. Ptolemy became the king of Egypt when he succeeded his father.

d. Many important people gathered in the temple in Memphis to honor Ptolemy.