A. 1048576 Rows & 1024 Columns
B. 1048576 Rows & 16384 Columns
C. 16384 Rows & 1048576 Columns
D. 1024 Rows & 1048576 Columns
In Calc, each sheet can have a maximum of 1,048,576 rows (65,536 rows in Calc 3.2 and earlier) and a maximum of 1024 columns. LibreOffice Calc can hold up to 32,000 sheets.