Final answer:
Obstinate and Pliable are the two people who resolve to catch Christian when he first starts to go towards the gate in 'The Pilgrim's Progress'.
Step-by-step explanation:
The two people who resolve to catch Christian when he first starts to go towards the gate are D) Obstinate and Pliable. In John Bunyan's allegorical novel 'The Pilgrim's Progress', Obstinate and Pliable represent different attitudes towards Christian's decision to follow the path of righteousness. Obstinate tries to discourage Christian, while Pliable initially accompanies him, but later gives up. Their encounters with Christian at the beginning of his journey symbolize the challenges and obstacles he faces.