Explanation:

- A traditional basketball team consists of 12 players total, but not all are on the court at once.

- Option 1: 7

- Incorrect. This would exceed the allowed number. There are never 7 players from one team on the court during play.

- Option 2: 4

- Incorrect. Having only 4 players on the court means you're missing one member usually needed for strategic play.

- Option 3: 6

- Incorrect. An extra player would cause a technical foul as only 5 are allowed.

- Option 4: 5

- Correct. In basketball, each team has 5 players on the court.