The correct answer is: A. rotate3d(x,y,z,angle)
A 3D rotation is a transformation that changes the orientation of an object in three-dimensional space. It is defined by three parameters: the axis of rotation, the angle of rotation, and the center of rotation.
The axis of rotation is a line through the object that does not change its orientation during the rotation. The angle of rotation is the amount by which the object is rotated around the axis. The center of rotation is a point on the object that does not move during the rotation.
The transform property value rotate3d(x,y,z,angle) defines a 3D rotation around the x, y, and z axes, respectively, by the given angle.
The other options are incorrect because they do not define a 3D rotation. Option B, rotated(x,y,z,angle), defines a 2D rotation around the x-axis. Option C, rotate-all(x,y,z,angle), defines a 3D rotation around all three axes, but the angle is not specified. Option D, rotate(x,y,z,angle), is not a valid transform property value.