Correct option is C
Natural numbers are positive whole numbers starting from 1 onward (i.e., {1, 2, 3, …}).
Step-by-step solution:
- The given series: {–7, –6, –5, …, 5, 6, 7}
- Identify natural numbers in the sequence: {1, 2, 3, 4, 5, 6, 7}
- Count the elements: 7 numbers
Thus, the correct answer is (C) 7.