【正确答案】 A

【答案解析】[解析] 画线词comprehend为动词，意为“理解”。A项understand意为“理解，懂得”；例：You don't understand the poetry of life.你不理解生活的诗意。B项digest意为“消化，吸收”；例：The baby is too small to digest food.婴儿太小，难以消化食物。C项summarize意为“总结，概述”；例：I tell you the general terms, and then let the chairman summarize.我给你们讲一讲大致情况，然后请主席作总结性发言。D项read意为“阅读，读懂”；例：She read the letter more carefully the second time.她再次看信时更仔细了。故本题选A。