The Internet has become increasingly popular, ______ us to see as well as to hear all kinds of programmes. 
A．to allowB．a(chǎn)llowingC．a(chǎn)llowedD．having allowed
B

試題分析：考查非謂語動詞。Internet與allow是主謂關(guān)系，使用現(xiàn)在分詞表示伴隨狀況。句意：互聯(lián)網(wǎng)正在逐漸流行起來，(它)允許我們邊看邊聽各種各樣的節(jié)目。故選B。
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