It Is NOT Ethical for a Sponsor to Do Which

It is NOT ethical for a sponsor to do which of the following?

A) A school district wants a study of students, but demands that a researcher report findings showing an improvement in student scores during the past five years.
B) A supervisor requires prior review of questionnaire items to make some of them "leading" to make certain that the company looks good.
C) A government agency that paid for a study suppresses findings that indicate that it has not enforced a law it is supposed to and has been an overall failure.
D) A political party calls people for telephone interviews on opinions, but is really identifying potential financial contributors. It hides the true sponsor of a study by using a made-up name of a research company.
E) All of the above.