One study found that passengers flying on Boeing-747s preferred them to L-1011s, while passengers flying on L-1011s preferred them to Boeing-747s. This is an example of:

Question

One study found that passengers flying on Boeing-747s preferred them to L-1011s, while passengers flying on L-1011s preferred them to Boeing-747s.  This is an example of:
	A. random sampling error.
	B. social desirability bias.
	C. administration error – sample selection error.
	D. response bias.

I'm stuck on this one because it seems B and D could be the right answer.  Does this automatically eliminate both from the choices?