What was the significance of Howard Carter's discovery of Tutankhamen's tomb?

A.
Tutankhamen's tomb was the first royal tomb in modern times to be found intact with new information for archaeologists.

B.
Tutankhamen's tomb contained carvings that illustrated the method the Egyptians used to build the pyramids.

C.
Tutankhamen's tomb contained written descriptions of the embalming process.

D.
Artifacts found in Tutankhamen's tomb showed for the first time that ancient Egyptians liked to adorn themselves with jewelry.