Ellyn and Danny form a Corporation on January 1, 2017 and make an S Corp election effective on that date .The only class of stock isssued to Ellyn and Danny is voting common stock. ( The corporation has been an S Corporation since formation. ) Which of the following transactions will not cause the S Corp election to be terminated ?

A. The corporation purchases 100 shares of ABC Corporation for $ $200,000

B. The corporation does an Initial Public Offereing ( IPO ) and 1,000 new shareholders purchase the corporation's stock

C. The corporation issues preferred stock to Jon who contributes $100,000 to the corporation for the preferred stock.

D. Ellyn sells 10 % of her stock to the XYZ partnership.