Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

Elon Musk was born on June 28, 1971, in Pretoria, South Africa. From a young age, he showed his interest in technology and taught himself computer programming at the age of 12. He also sold his first software, a video game called Blastar, at the age of 12.

While he was attending Queen's University in Ontario, Canada in 1995, he was already thinking about his next steps. When he transferred to the University of Pennsylvania, where he was earning degrees in both economics and physics, Musk continued to explore his passions. After completing his studies, Musk moved to California to pursue a Ph.D. in energy physics at Stanford University. However, he dropped out after just two days to pursue his ambition.

Musk's first major success came with the creation of Zip2, a software company that provided business directories and maps for newspapers. In 1999, he co-founded X.com, an online payment company that later became PayPal. While PayPal was developing well, Musk was already setting his sights on the next project: space exploration. In 2004, Musk founded SpaceX (Space Exploration Technologies Corp.), with the goal of reducing space transportation costs and enabling the colonization of Mars. Musk is also the CEO and lead designer of Tesla, Inc., an electric vehicle and clean energy company.

Elon Musk's ambitious vision for the future, together with his strong determination, has made him one of the most influential figures in technology and innovation.