How Would It Be Most Accurate to Describe China During

How would it be most accurate to describe China during the Shang Dynasty?

A) They were lacking in the skills of metalworking which made trade with other areas necessary.
B) It was a mainly rural, agricultural society.
C) They were protected from invasion by its steppes and deserts.
D) China was isolated to a great degree, but not as much as Egypt or Mesopotamia.
E) The Chine rulers were heavily influenced by the Egyptian concept of dynastic rule.