________by the beauty of nature，the girl from London decided to spend another two days on the farm.[ ]

A. Attracting  

B. Attracted

C. To be attracted  

D. Having attracted

在一般电子点火系中，发电机式信号转子感应线圈输出的是（）

A.直流电压

B.交流电压

C.整形后的直流电压

D.整形后的交流电压