In the prophecy concerning the 'Valley of Dry Bones' in Ezekiel 37, what does the reassembling and re-animation of the bones primarily symbolize for the exiled Israelites?

A A literal resurrection of all deceased Israelites in the past. B The complete restoration of the Davidic monarchy to its former glory. C The spiritual and national restoration of the nation of Israel after a period of seeming hopelessness and death. D The immediate rebuilding of the physical temple in Jerusalem.