Which is the seven-segment display?

• A. <img src="/_files/images/basic-electronics/complete/mca14_10013a1.gif" alt="mca14_10013a1.gif">
• B. <img src="/_files/images/basic-electronics/complete/mca14_10013b1.gif" alt="mca14_10013b1.gif">
• C. <img src="/_files/images/basic-electronics/complete/mca14_10013c1.gif" alt="mca14_10013c1.gif">
• D. <img src="/_files/images/basic-electronics/complete/mca14_10013d1.gif" alt="mca14_10013d1.gif">