Correct Option (D)
Yielding the floor refers to the parliamentary procedure where a member who has been speaking voluntarily cedes their right to continue speaking to another member. This typically occurs at the Speaker's direction to manage debate and ensure equitable participation.
Incorrect Options:
Decorum refers to the proper conduct and etiquette expected of members within a legislative body. While related to parliamentary proceedings, it does not specifically describe the act of one member stopping their speech for another.
Crossing the floor describes the act of a legislator changing their allegiance from one political party or bloc to another. This is a political action, not a procedural one related to speaking turns.
Interpellation is a formal parliamentary procedure where a member of the legislature submits a formal question to a government minister, often requiring a detailed response or debate. It is a questioning mechanism, not a method for managing speaking turns.