Answer: A
Step-by-step explanation:
The yellow dot is two markers to the right of 11.9. The next highest marked line is 12.0, and there are 10 marks between 11.9 and 12.0, so each represents 0.01 of a unit. Figure A shows the dot at 11.9 + 2 markers at 0.01 each:
11.9 + 2*(0.01) = 11.92