Answer:
The correct option is D
Explanation:
Large firms such as AstraZeneca and GlaxoSmithkline are more likely to innovate because the risk of failure is minimal such that no matter the amount invested in a failed research project ,it is not material enough to send them out of business.
Also the reason is that they can easily raise the necessary funding unlike a small firm whose liquidity might low and credit rating very poor.
Lastly, they can easily attract the needed brains as they have the ability to pay handsome wages and salaries