READING: Read the following passage and mark the letter A, B, C, or D to indicate the correct word or phrase that best fits each of the numbered blanks

The physical health of city dwellers in the next 100 years is likely to experience significant advancements and challenges. With the continuous evolution of healthcare technology and urban planning, cities may prioritize the well-being of their residents more than ___(1)___ before.
Innovations such as telemedicine, personalized healthcare, and preventive measures could lead to improved access to healthcare services and more efficient medical treatments. Furthermore, the integration of green spaces, sustainable transportation systems, and walkable ___(2)___ may encourage physical activity and contribute to healthier lifestyles.
However, as cities continue to expand and populations grow, issues such as pollution, overcrowding, and limited access to green spaces may contribute to various health concerns. Environmental changes, including climate change and natural disasters, can have adverse effects on air quality, water sources, and overall well-being. The emergence of new infectious diseases or the re-emergence of old ones could also pose risks to urban populations. ___(3)___, the advancements of technologies can also pose a threat of a notable increase in sedentary lifestyles among people ___(4)___ can lead to several diseases afterward. These challenges ___(5)___ proactive measures in urban planning, healthcare infrastructure, and public health initiatives to safeguard the physical health of city dwellers in the coming years.