Life in a cave

A 70-year-old couple has lived an austere life in a cave for 31 years in Sichuan province. The wife, Zhu Mingxiang, had six children before she married husband Shen Congfu. She fell in love with Shen when she was 37, despite his lack of wealth. She married him and moved into the cave where he lived. There's no electricity, no facilities and food is not sufficient. In this very limited situation, they succeeded in living and having a child of their own. The couple enjoys their life with hope and recently moved out the cave to a house the government supplied.

How many children does the woman have?
A. 1
B. 6
C. 7

（中國日報網英語點津 杜娟 編輯）