A. In spite of tremendous advancement in medical science, thousands of people die of various disease every year, especially in the third world countries.
B. In spite of tremendous advancement in medical science, thousands of people died of various disease every year, especially in the third world countries.
C. In spite of tremendous advancement in medical science. thousands of people die of various disease every year, especially in the third world countries.
D. In spite of tremendous advance in medical science, thousands of people die of various disease every year, especially in the third world countries.
