问题
选择题
(2013·青岛一模)Scientists are still wondering ________ the Egyptians built the pyramids so long ago.
A．how it is that
B．how is it that
C．it is how that
D．that how it is
答案
答案：A
选A 考查强调句型。分析句子结构可知，wondering后为宾语从句，宾语从句中含有一个强调句的特殊疑问句。由于宾语从句要用陈述语序，故选A。