仔细观察图片，把短文补充完整。

      One day, a rabbit fell in some mud. He was stuck, He yelled, " Help ! Help! " A farmer (农夫) heard the

rabbit and came to help. The farmer pulled the rabbit's ears, but he did not come out. Then some animals came

to help. Look at the picture. The mouse pulled the ____________. The duck pulled the ____________. The pig

pulled the ____________. The horse pulled the ____________. The cow pulled the ____________. The farmer

pulled the rabbit's ears. Finally (最后) he came out. From then on (从此以后), rabbit's ears are always (总是)

long.

新生儿持续性肺动脉高压属于（）

A.动脉型肺动脉高压

B.左心疾病相关性肺动脉高压

C.低氧血症性肺动脉高压

D.慢性血栓栓塞性肺动脉高压

E.混合性肺动脉高压