For each blank select one entry from the corresponding column of choices. Fill all blanks in the way that best completes the text.

For some time, scientists refused to believe that Earth’s continents are made of moving tectonic plates. Physicists, who could not devise a theory to explain the now-accepted process, rejected the theory outright, as did geologists, who were far too (i) in their thinking, thereby (ii) the advancement of science for a time.