Lasers are (1)/ indispensable tools (2)/ for the delicate eyes surgery. (3)/ No error (4)

Options

A. 1. Lasers are
B. 2. indispensable tools
C. 3. for the delicate eyes surgery.
D. 4. No error

Answer

3

Explanation

eye will replace eyes.
eye-surgery is the right phrase that should be used. We can also use ocular - surgery. ocular : connected with the eyes. Hence, for the delicate eye-surgery is the right usage.