Modern credits were introduced in the second half of the _____ c

Modern credits were introduced in the second half of the _____ century and had substantial development after the First World War.
A、18th
B、21th
C、20th
D、19th
【正确答案】：D
【题目解析】：Modern credits were introduced in the second half of the 19th century and had substantial development after the First World War.参见教材P151。