问题
选择题
More than 68,600 foreigners are working in Shanghai.The number is 13 times ________ of 1996，when Shanghai started issuing expatriate work permits.
A．one
B．ones
C．that
D．those
答案
答案：C
考查代词。句意：现在有超过68 600个外国人在上海工作。此数量是1996年开始签发侨民工作许可证时的13倍。此处that指代上文中的“number”。故正确答案为C。