A - coaching a child as they attempt to use a yo yo.
when scaffolding, you build upon previous knowledge, supporting the one learning. Option B does it for the child, Option C doesn't offer instruction and Option D never works - rushing doesn't make anything better.
A disease that is affecting too many people at a global scale is called a Pandemic disease and <u>one good example of this kind of disease is the Spanish Influenza of 1918 that killed around 50 million people</u>.