Most of the Pharmaceutical Companies feel hesitant in publishing infor

Ignoring the obvious grammatical issues with the questions and options, the answer must be C

(A) Business Strategy is often build well before the planning of clinical trial - This is a strengthener. As the strategies are made well before clinical trial, in case rivals copy the secrets then there won't be any time to alter the strategy to counter it.
(B) Competitors have access to the online databases - Another strengthener, if competitors have access to the data then they can copy the product.
(C) Pharmaceutical companies publish the clinical trial information at online databases after product approval - This is a weakener, if the product is approved before the trial data is published then there is no chance for competitors to copy the product.
(D) Clinical trial conduct often differ from company to company - Has no impact on the conclusion, even though the trial differs still competitors can copy the trial process of a company.
(E) Creation of Business Strategy and Clinical Trials conduct are most important factors in product success - Just a general statement, has no impact on the conclusion.