Choose the response that shows the commas in the appropriate. We had a telephone electricity and even hot water in our cabin.
We had a telephone, electricity, and even hot water in our cabin.
b. We had a telephone electricity, and even hot water in our cabin.
Correct
C.

We had a telephone, electricity, and even hot water in our cabin.

Explanation: In America, we use the Oxford comma, which goes between the second and third item in a list such as this one. Also, put the comma after the noun

this is b. how railways dealt with people riding the trains without paying