The correct answer is - B. Singapore is a major manufacturer of computer hard drives.
Singapore has long been considered as an economic miracle. The once poor mini country in just few decades with very smart governing and orientation in the world market managed to become one of the best countries in the world to live in. It is one of the biggest manufacturers of computer hard drives in the world and for this small country it is something that made an economic boom. The world trends in the IT sector are carefully followed and they are always coming to the market with what's needed and most productive.