Answer:
d. An ineffective study strategy and will probably not retain many of the main ideas that he reads.
Step-by-step explanation:
Study strategy refers to the strategy adopted by the students. In the above case, the strategy adopted by Hugh to study of his Geography exam is an ineffective way. Mugging up only the main points in the last moment does not help in retaining them in the mind. An extensive form of study is required to retain the information in the mind. Also, the definitions, examples and other points are important.