Answer:
The line that reveals the effect that Framton's conversation has on the other characters is: "He made a desperate but only partially successful effort to turn the talk on to a less ghastly topic; he was conscious that his hostess was giving him only a fragment of her attention, and her eyes were constantly straying past him to the open window and the lawn beyond."
Step-by-step explanation:
This line shows that the person Framton was speaking to was distracted and only partly and halfheartedly paying attention to what he was saying about his own ailments. She was distracted and looking outside. The point that she was not enjoying the conversation is also conveyed in this sentence: ""No?" said Mrs. Sappleton, in a voice which only replaced a yawn at the last moment. " Mrs. Sappleton was trying to pay attention and to be polite but she was bored with the conversation and it was hard to keep herself from yawning.