In the future, transportation is likely to undergo significant changes. Firstly, we may see more electric vehicles on the roads, (24) ______ will help reduce air pollution and reliance on fossil fuels. These vehicles are powered by electricity instead of gasoline or diesel, making them more environmentally friendly. (25) _______ change could be advancements in autonomous vehicles, also known as self-driving cars. These vehicles can operate without human input (26) _______ they potentially make transportation safer and more efficient. Additionally, we might see the (27) ______ of high-speed trains and hyperloop systems, allowing people to travel faster between cities. Overall, future transportation (28) ______ the promise of being cleaner, safer, and more convenient for everyone.

(Adapted from www.plugandplaytechcenter.com)

Read the following passage and mark the letter A, B, C, or D to indicate the correct option that best fits each of the numbered blanks from 24 to 28.