B. The verb form is narrating.
The main idea of this text is that antibacterial soap may ultimately do more harm than good. The author uses scientific evidence, and provides two examples as to why antibacterial hand soap may not be an entirely effective or safe type of soap to use.
Most students have restricted access to devices at school
. It was a struggle for his body to survive ,but only did so because of the determination of his will and his spirit, which would not permit him to surrender to the hate which apartheid had imposed and imprisoned him