在职攻硕英语考试

【单选题】While the total number of farmers engaged in agricultural production is barely half ______ it used to be in 1959, the size of the average farm has tripleD、
A、that
B、what
C、whichD、how

网考网参考答案：B
网考网解析：
[解析] half what it used to be相当于half the number that it used to be，what既代替先行词the number又引导一个从句，其他几个选择项均没有这个功能。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>