Totem-pole outputs ________ be connected ________ because ________.

• A. can, in parallel, sometimes higher output current is required
• B. cannot, together, if the outputs are in opposite states excessively high currents can damage one or both of the devices
• C. should, in series, certain applications may require higher output voltage
• D. can, together, together they can handle larger load currents and higher output voltages