AbdurRakib wrote:
Early administrative decisions in China’s Ming Dynasty eventually caused a drastic fall in tax revenues, a reduction in military preparedness, the collapse of the currency system, andfailed to make sufficient investment in vital transportation infrastructure.
Test: Parallelism
(A) the collapse of the currency system, and failed
- Missing "and" before "the collapse.." to complete a list
(B) the collapse of the currency system, and failing
- "and Failing"
...
Test: Parallelism
(A) the collapse of the currency system, and failed
- Missing "and" before "the collapse.." to complete a list
(B) the collapse of the currency system, and failing
- "and Failing"
...










