The portal of entry of alludes to the way wherein a microbe enters a helpless host. The portal of entery must give access to tissues in which the microorganism can duplicate or poison can act.
Frequently, infectious agents such as bacteria and viruses utilize a similar entry to enter another host that they used to exit the source to have. These portal of entery can be puncture in the skin or cut in the skin as asked in the question that is made by the sharp obeject in the chain of transmission.
The answer is A because Brie got her mother a living thing that will provide her comfortable and someone there. The other options are inanimate objects that won’t provide relief.
