The correct option is B Both a and b
Compared with large chunks of what was then the
developing world South Korea, Singapore, Malaysia, Thailand,
Indonesia, China and what was till lately a separate Hong Kong... It [India] began with a far better infrastructure
than most of these countries had. It suffered hardly or not at all during the World War II. It had advantages like an English speaking elite quality scientific manpower (including a Nobel laureate and others, who could be ranked among the world's best) and excellent business acumen."- these lines from the passage support both options A and B- India was in a better condition than other Asian nations because it didn't face the ravages of World War II and it had an English speaking populace and good business sense. Option D combines these two options so D is the answer.