The only incorrect answer is definitely the last one. In contast\ comparison sentences we never highlight difference like this. Even if he used commas, thw word ''however'' would be irrelevant. It's D Reese likes watching television specials on insects—however—Laney like
When the author uses irony in his work, he assumes that the readers and the audience know how he truly feels or what he really wants to convey. Really to emphasize a point.
