阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。
A
Learners report two main difficulties in reading, which may be linked． There are too many unknown words and as a result reading is simply not a pleasure． For some students, even reading in their own language is a chore．
Having a wide vocabulary is essential to making sense of written language． Of course, this is a circular argument, because the more you read the more vocabulary you learn and the more words you know the more easily you can read． Don’t make the mistake of reading with your dictionary beside you, looking up every single new or doubtful word． This is laborious and prevents you from practicing the skill of prediction．
Sometimes in reading you find a word you know but the sense doesn’t seem to fit in． This is not surprising because words have so many meanings and degrees of meaning． What is more, part of their meaning is shaped
