The following sentence contains either a single error or no error at all. If the sentence contains an error, select the one underlined part that must be changed to make the sentence correct. If the sentence contains no error, select choice E.
|The Sun has been shining for||nearly||five billion years and is thought|
|that it has||sufficient thermonuclear fuel in its core||to|
|shine||for about||another five billion.||No error|