In this excerpt from mark twain's "how to tell a story," which sentence is mostly clearly the thesis statement?
a. i only claim to know how a story ought to be told, for i have been almost daily in the company of the most expert story-tellers for many years.
b. there are several kinds of stories, but only one difficult kind—the humorous.
c. the humorous story may be spun out to great length, and may wander around as much as it , and arrive nowhere in particular; but the comic and witty stories must be brief and end with a point.
d. the humorous story is strictly a work of art—high and delicate art—and only an artist can tell it; but no art is necessary in telling the comic and the witty story; anybody can do it.