按铁路特殊岩土规程，填土中性质较好的是下列（）。
A.素填土
B.杂填土
C.冲填土
D.压实填土
参考答案：D
The artist __ the judge gave a prize is the teacher __ I have been taught painting for over three years.
A．from whom; by whom
B．to whom; who
C．whom; who
D．to whom; by whom
