Correct option is C
Option (c) contains an error.
Error Identification: The preposition "of" is missing between "discovery" and "bone ornaments."
Grammatical Explanation: The word "discovery" requires the preposition "of" to indicate the discovery of something specific (in this case, bone ornaments).
Corrected sentence: "Ancient jewellery or decoration has a new meaning with the discovery of bone ornaments."
Explanation: The preposition "of" is necessary to indicate the relationship between the discovery and what was discovered.