Which two descriptions of AES encryption are true?

Which two descriptions of AES encryption are true? (Choose two.)
A. AES is less secure than 3DES.
B. AES is more secure than 3DES.
C. AES can use a 168-bit key for encryption.
D. AES can use a 256-bit key for encryption.
E. AES encrypts and decrypts a key three times in sequence.

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