Directions: In the question, there are four sentences. Each sentence has pairs of words/phrases marked as ‘A’ and ‘B’ that are italicized or highlighted. Select the most appropriate word or phrase to form grammatically and syntactically correct sentences. Then, from the options that follow, choose the correct one.
(i) A (A) chord (B) cord in a circle touches at two ends or at two points on the circumference of the circle. (ii) The accident proved (A) fatal (B) fatalist for the driver who died on the spot. (iii) The doctor tried to diagnose the (A) disease (B) decease of the patient but could not and referred him to the hospital. (iv) The deer were (A) gamboling (B) gambling in the jungle when they had to run to save themselves when they sensed the arrival of the hunters.