Andrew was so ________ in the research that he had not time left for recreational activities.
句意：安德鲁专心致力于研究工作，连文娱活动的时间都没有了。本题考查动词短语搭配，be absorbed in专心做某事。be devoted to专注于某事。be attracted by被……吸引。be concentrated on全神贯注做 某事。结合句意，选择A。