Hold on I can help you with this it's gonna take me maybe 10-20 min
The answer to this question is A
Lactose because it is a sugar made up of galactose and glucose.
1. The virus attaches itself to a host cell
2. The virus inserts its nucleic acid into the host cell
3. The virus nucleic takes over the host cell and makes virus parts
4. The cell creates more viruses
5. The cell bursts, releasing the new viruses
I think it’s C explanation : i learned this a while ago