The number of children who both parents to Aids also expected to rise, reaching more than 26 million in 2010.
A. has lost; is
B. have lost; are
C. has lost; are
D. have lost; is
网友回答
A. has lost; is
B. have lost; are
C. has lost; are
(答案→)D. have lost; is
解析：句意：因艾滋病而失去双亲的儿童的人数预计要上升，在2010年达到两千六百万多。The number of +名词“.......的数量”，做主语时，句子的谓语用单数形式，故排除C。定语从句的谓语动词要根据先行词来判断单复数，第一个空的定语从句的先行词是The number of children （孩子的数量），因此谓语用单数形式，故排除BD。故选D。