Question

Which sentence is punctuated correctly?
• I didn’t know, what the package was where it came from, or when it arrived.
• I didn’t know, what the package was, where it came from, or when it arrived.
• I didn’t know what the package was, where it came from, or when it arrived.
• I didn’t know what the package was, where it came from or when it arrived.

Answer 1

the last one is punctuated correctly 

Answer 2

The third one is the right answer because it uses a comma in a series.