A and B Are Married, but Separated in Fact

A and B are married, but separated in fact. While in the practice of her profession, B acquired properties. They are governed by the conjugal partnership of gains. Who is/are the owner/s of the properties?

A) B alone because of their separation.
B) The conjugal partnership.
C) B alone because they were governed by the complete separation of property regime when they separated in fact.
D) B alone as A did not contribute anything in the acquisition of the properties.