We need to identify a key advantage for workers.
- Step 1: Find advantage: The passage states, “It offers workers freedom.”
- Step 2: Evaluate options:
- (a) Job security: Incorrect, as it lacks security.
- (b) Higher earnings: Incorrect, as gig workers earn less.
- (c) Freedom: Correct, directly state(d)
- (d) Employee benefits: Incorrect, as benefits are lacking.
- Step 3: Confirm: Option c matches the passage.
Thus, the answer is c.