The correct answer is: A. ugly
The commission took two years to go through the massive collection of files and documents before preparing its report. This means that the report was not prepared quickly, and it was likely not very well-written or well-organized. The report may have been full of errors, and it may not have been very helpful to the people who read it.
The other options are not correct because they do not describe the report accurately. The report was not short, it was not light, and it was not meagre.
A. ugly: The report was not prepared quickly, and it was likely not very well-written or well-organized. The report may have been full of errors, and it may not have been very helpful to the people who read it.
B. short: The report was not short. It took two years to prepare.
C. light: The report was not light. It was likely full of errors and not very helpful to the people who read it.
D. meagre: The report was not meagre. It was likely full of errors and not very helpful to the people who read it.