What is the primary way of acquiring property by derivative title according to the text?A) OccupationB) PrescriptionC) ContractD) Usucaption

Without the context of the text, it's impossible to definitively answer this question. However, in general legal terms:

A) Occupation refers to acquiring property by taking possession of it, typically land that was not previously owned.

B) Prescription refers to acquiring property rights through the passage of time and continuous use.

C) Contract refers to acquiring property through a legal agreement, such as buying a house.

D) Usucaption refers to acquiring property through continuous possession over a certain period of time, under the assumption that the original owner does not reclaim it.

Each of these methods can be the primary way of acquiring property by derivative title, depending on the specific laws and regulations of a jurisdiction. Please refer to the specific text for the correct answer.