Why does moving the GeoTIFF writer before the Excel writer improve performance?

Why does moving the GeoTIFF writer before the Excel writer improve performance?

• A. Writers should be in alphabetical order by format name for best performance.
• B. It's always faster to write small datasets before large ones.
• C. GeoTIFF writers are always faster than Excel writers.
• D. Large GeoTIFF files were previously being cached while waiting for the Excel file to be written.

Answer: (D)