If your working thesis statement says “cigarette smoke has minimal effect on the body,” but your research shows that cigarettes can, in fact, be very damaging to the lungs, how could you revise the thesis statement to reflect the research?

a.
cigarettes cause a lot of damage to the human body.

b.
the effect of cigarettes on the lungs is not important.

c.
the lungs are minimally affected by cigarette smoke.

d.
cigarette smoke has many effects, but none more damaging than those on the lungs.