A Survey of the Scientific Literature Found That Research Sponsored

A survey of the scientific literature found that research sponsored by pharmaceutical companies was

A) more likely than research supported by the federal government to report that a new drug is superior to existing drugs.
B) less likely than research supported by the federal government to report that a new drug is superior to existing drugs.
C) about as likely as research supported by the federal government to report that a new drug is superior to existing drugs.
D) more difficult to publish than research supported by the federal government.