2．At present，he is a student at Zhejiang University，________ for a degree in computer science．（　�。�
A．studiesB．studyingC．to have studiedD．having studied

分析 目前，他只是一個(gè)浙江大學(xué)的學(xué)生，正在為了電腦學(xué)科的學(xué)位而努力學(xué)習(xí)．

解答 答案：B．
根據(jù)句子結(jié)構(gòu)可以知道"________ for a degree in computer science"是"he is a student at Zhejiang University"的伴隨狀語，因?yàn)閟tudy和he是主動(dòng)關(guān)系，所以選擇B studying．其他選項(xiàng)與句子結(jié)構(gòu)不符，A做謂語；C不能做伴隨狀語；D表示完成．

點(diǎn)評(píng) 考查現(xiàn)在分詞做伴隨狀語．
伴隨狀語的特點(diǎn)是：它所表達(dá)的動(dòng)作或狀態(tài)是伴隨著句子謂語動(dòng)詞的動(dòng)作而發(fā)生或存在的．例如：
He sat the armchair，reading a newspaper．他坐在扶手椅里讀報(bào)．

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