Which sentence uses a colon correctly?

Manatees need only a few things to survive up to age 60, enough food and to be left alone.

Manatees need only a few things to survive: up to age 60 enough food and to be left alone.

Manatees need only: a few things to survive up to age 60, enough food and to be left alone.

Manatees need only a few things to survive up to age 60: enough food and to be left alone.

Respuesta :

Here is the correct option: 'Manatees needs only a few things to survive up to age 60: enough food and to be left alone'. In writing, a colon usually precedes an explanation. Colons are used in English writing to introduce a list of items. In the given example, colon was used to list the needs of Manatees.