Passage B     There are around 39 million blind people in the world. But   26    do people realize that perhapshalf of those affected by blindness could be cured, simply by removing the cataract which causes it. It isa very common operation in many countries, and only very   27    does the patient fail to recovergood sight. However, until recently the    28    did cost quite a lot and was too expensive for sufferersin developing countries. Then entered Dr. Sanduk Ruit, a doctor from Nepal, who    29    the systemfor conducting cataract surgery cheaply and efficiently.
【題組】26.
(A)few
(B) none
(C)neither
(D)little
(E)less