1. B --> mussels, oysters, clams, shrimp, carp and catfish is a list (series) of foods that has to be separated by a comma
2. B--> if you remove 'confine them to a pond or cage' its a normal sentence, so i think its b
A. completely true (and it has to be 20 characters so i added words)
Answer: 4th one
Explanation: it would be the 4th one because the correct punctuation would be a commma.
i hope this helps!!!1
