J$.$ D$.$ formed Clampett, Inc. as a C corporation $($calendar tax year$)$ with J$.$ D$.,$ Granny, and Jethro, Inc. $($a C corporation$)$ as shareholders. On January $15,2016,$ Jethro, Inc. sold all its shares to Jane Hathaway. On February $28,2016,$ Clampett, Inc. filed an S corporation election, with J$.$ D$.,$ Granny, and Jane all consenting to the election. What is the earliest effective date of the S election?

Question $13$ options:

A$)$

February $28,2017.$

B$)$

January $1,2018.$

C$)$

January $1,2016.$

D$)$

January $1,2017.$

E$)$

Never.