Answer:
(B) Clinical trials of new drugs, which occur after the patent is granted and before the new drug can be marketed, often now take as long as 10 years to complete.
Step-by-step explanation:
This option supports the pharmaceutical industry's claim because the research and development time of a new drug can be as long as half its patent life. Generally R&D on other industries takes a much shorter time, or at least not as much as half the patent's life.
Personally I would agree with the pharmaceutical industry if in exchange they would sell their drugs in the US at the same price as they are sold in Canada or Europe, or any other country in the world. The patent extension would benefit them and reduce the price of drugs by 80-90% in the US. I'm certain that the later would never happen, because the US is by far the largest cow milk for pharmaceutical companies because it is the only countries where the price of legal drugs is not regulated.