Search for grammatical errors in the underlined sections of the following sentences and select the option that best corrects them. If there is no error, choose option A.

Seeing the dolphins, some sharks, a killer whale, and a Moray eel made the visit to the marine park worthwhile.

a killer whale, and a Moray eel made the visit
a killer whale, and a moray eel made the visit
a killer whale and a moray eel makes the visit
a killer whale and a Moray eel makes the visit
a killer whale and a moray eel made the visit