Read the following excerpt from an editorial about the nature of reality television:

(1) So-called “reality” TV shows dominate the dials of network and cable television. (2) In these programs, people live in thoroughly unrealistic situations—crammed in a house with strangers, travelling all over the globe with a partner, battling for victory on a desert island—and behave in utterly unrealistic ways. (3) So why do we watch them? (4) Some say it’s the cheap thrill of watching a stranger’s private moments. (5) But perhaps, instead, we watch reality TV because—surprisingly—it often shows us moments of genuine humanity.

In which sentence does the author state her claim?

A.
sentence 1
B.
sentence 2
C.
sentence 4
D.
sentence 5