【单选题】Microtubules are important for transporting cargo in nerve cell axons, as diagrammed in Figure Q17-33. Notice that the two types of cargo are traveling in opposite directions. Which of the following statements is likely to be false?
选项：

A:The gray cargo is attached to dynein.
B:The black cargo and the gray cargo require ATP hydrolysis for their motion.
C:The black cargo moving toward the axon terminal contains a domain that specifically interacts with the tail domain of a particular kind of motor.
D:The black cargo and the gray cargo are moving along microtubules of opposite polarity.