右图反映了江南地区得到开发的哪一原因(    )

B

    A young woman was walking through a supermarket to pick up a few things when she noticed an old man following her around．Thinking nothing of it，she ignored him and went on shopping．After she got what she wanted，she went to checkout line，but the old man got in front of her．

    "Pardon me!" he said，"I'm sorry if my staring（盯）at you has made you feel uncomfortable（不舒服的)，it's just because you look like my granddaughter，who just died recently．And I miss her very much．"

    "I'm very sorry，"said the young woman．"Is there anything I can do for you?"

    "Yes．" the old man said．"As I'm leaving，can you say 'Good-bye，grandpa' to me? It would make me feel so much better．"

    "Sure,"answered the young woman．

    As the old man was leaving，she called out．"Bye-bye，grandpa!"

    When she stepped(迈步) up to the checkout counter（收银台），she saw that her total was $178.50．

    "How can that be?" she asked．"I only bought a few things!"

    "Your grandpa said you would pay for him，" said the clerk.

材料一：老子的思想具有极强的思辨色彩。他说：“祸兮，福之所倚；福兮，祸之所伏”“有无相生，难易相成，长短相形”等。

材料二：韩非是法家的集大成者，他的法治思想对秦王朝的建立起了很大作用。

材料三：墨子的思想体系有两大核心：一是“兼相爱，交相利”，即所谓的 ；二是反对“攻伐无罪之国”，即所谓的 。