A Sussex police ordered to search for a six-foot, dark-haired youth of about 20 who failed

A

Sussex police ordered to search for a six-foot, dark-haired youth of about 20 who failed to mug (抢劫) a five-foot, 74-year-old grandmother. The youth rushed at Mrs West and tried to take her things and money when she was walking out of a church. The result should have been an expected conclusion. Surprisedly, however, when Mrs West grasped the mugger's wrist (手腕), he cried, "Oh, God! Oh, no! Stop!" Encouraged by these pleas (哀求), she put him in arm lock at which the mugger cried, "Oh, no! Oh! God!" and ran away. "If I hadn't been carrying my shopping I would really have put him on his back." said Mrs West who had practised judo (柔道) when younger. "When my husband was living. I used to pracise throwing him at Christmas," she explained.

Why did the youth cry when grasped by the old lady？ Because he______.

A. was sorry for his failure

B. couldn't bear the pain and had to ask for mercy

C. felt angry with the old lady

D. became so excited that he couldn't help doing so