Greenfieldboyce says that there is building up of rocket and capsule for the mission but on the other hand, there is shortage of cash with NASA.
<u>Explanation:</u>
"Are Humans Really Headed to Mars Anytime Soon?" is an article which focuses on the various things which are related with whether people can go to Mars or not.
The different aspects are examined in this article like building up of rocket to hit the planet, or building up of a little capsule. It also takes into consideration the requirement of money to fulfill the mission of going to the planet by NASA.
The answer is 'D' (it says the former, referring to MLK)
“Prince Henry the Navigator Finding a Water Route to Asia. Portugal took the lead in the search to find the first water route to Asia. ... The Portuguese were the first Europeans to explore the unknown world, and they were the first to sail around the southern tip of Africa.””
