The correct answer here would be C.
Gregor Mendel was an Austrian priest, mathematician and most importantly a botanist. He is considered to be the father of classical genetics. He was among the first people to find about the dominant and recessive traits that are passed randomly from the parents to the offspring.
B. A condition is just the way that it is and there is nothing to be done about it [I think]
People put napkins on their laps to catch fallen food.
Well frankly, it's uncomfortable to be steadily gazed upon from a distance.
If you say you will be there at a certain time, you should keep to what you say. It's not kind to keep people waiting in most cultures. Some people don't care though.
False: In 1787, 57 delegates (including Madison) congregated in Philadelphia for the Constitutional Convention. Although the initial goal was to amend the Articles of Confederation, Madison (among others) favored a whole new document, aka the Constitution. In fact, Madison is known as the Father of the Constitution due to his contributions in creating the document.