Mark the letter A, B, C or D to indicate the correct arrangement of the sentences to make a meaningful letter/ paragraph in each of the following questions.

a. In addition, the city is investing in artificial intelligence and digital platforms to enhance urban management and improve residents' daily experiences.
b. Despite these advancements, Singapore remains committed to maintaining green spaces and cultural landmarks, ensuring a balance between modernity and tradition.
c. By 2025, Singapore is reinforcing its reputation as a global hub for innovation, sustainability, and smart technology.
d. One of the key initiatives is the development of energy-efficient buildings and intelligent transportation systems that help reduce carbon emissions and enhance mobility.
e. These efforts align with Singapore’s long-term vision of creating a more livable, connected, and eco-friendly urban environment.