What is the keyboard sequence to 1) Group highlighted columns (but not to hide group) 2) Hide the group (will show a + sign above the column) 3) Show the group (will show a + sign above the column) A. Ctrl Alt Down Arrow 2. Alt a j 3. Alt a h B. Ctrl Alt Right Arrow 2. Alt a h 3. Alt a s C. Shift Alt Right Arrow 2. Alt a h 3. Alt a j