The practice of writing on oracle bones assured that
• the future would accurately be predicted
• the king would remain in power • writing of the shang dynasty was protected

Writing of the Shang Dynasty was protected.

Explanation:

The oracle bones are pieces of ox or turtle bone that were used for divination in China. These were particularly popular during the late Shang dynasty. The oracle bones are particularly important for archaeologists nowadays because they contain important information about this time period. They present some of the earliest examples of Chinese writing. They also contain important information about the royal genealogy of the Shang dynasty.

i am sure the answer is d