YDS Paragraf tamamlama nasıl çözülür Test 1

6. The transition to renewable energy is essential for a sustainable future. Solar and wind power are clean, abundant sources that can reduce our reliance on fossil fuels. ________. Significant investment in modernizing the electrical grid and developing efficient energy storage solutions is needed to make this transition successful.

A) Fossil fuels, however, are still the dominant source of energy worldwide.
B) The cost of renewable energy technology has plummeted in the last decade.
C) Their intermittent nature, however, poses a challenge for providing a constant power supply.
D) Many countries have set ambitious targets for reducing carbon emissions.