5 On Thursday, February 9, 2021, an applicant files an application for a design patent in Country X (a
member of the World Trade Organization). In accordance with the R.O.C. Patent Act and its enforcement rules, what is the last date that the applicant can file a R.O.C. design application if he (she) would like to claim priority?
(A) February 9, 2022.
(B) February 10, 2022.
(C) August 9, 2021.
(D) August 10, 2021.