An open-minded scientist does all of the following except a. question existing ideas. b. hold on to his or her beliefs even if there is no evidence for those beliefs. c. think creatively to design experiments. d. ask questions about observations

It is important for scientists to utilize the scientific method (to the extent of applying this in everyday life). Generally, the basic steps of scientific method are: making observations, preparing a hypothesis, designing an experiment, analyzing results, and to finally make a conclusion. This means that if a scientist makes an observation that is quite unnatural to what he currently knows, it is important for him to question existing ideas and propose a new hypothesis. And to find the answer to his question, he must think creatively to design experiment and be able to scrutinize his/her own observations. From this, we can see that from the choices, all must hold true except for B.