The best answer among the following choices would be the second option B) because C) and D) are normal sentences while B) is complex and A) is fine but needs to replace ''has a tendency'' with ''tends''.
The 'rising action' of a novel is the section of the story after the exposition that builds the story's primary (and secondary) conflicts, advancing the plot. This contrasts with 'falling action', the events that come after a story's climax, leading towards a resolution.
I’m so sorry if it’s wrong but I think it’s..
Answer: Thomas is cautious