What is the most effective revision to make in sentence 24?
F
Alto
Although few moles actually develop into melanoma, only an expert can determine
whether a person is at risk and is carefully examining cells from the suspicious mole
under a microscope.
G
Although few moles actually develop into melanoma, only an expert can determine
whether a person is at risk by carefully examining cells from the suspicious mole under
a microscope.
Н
Although few moles actually develop into melanoma, only an expert under a
microscope can determine whether a person is at risk by carefully examining cells from
the suspicious mole.
No revision is needed in sentence 24.