How does the author unfold the idea that the Deep Space Atomic Clock is a serious upgrade to satellite-based atomic clocks?

A.
The author presents a series of facts and makes an appeal to authority to convince readers of their accuracy.
B.
The author follows up her claim by describing how the Deep Space Atomic Clock could make space travel better.
C.
The author follows up her claim by asking a series of questions that readers will have to continue reading to get answered.
D.
The author compares the new technology to the old technology, delineating exactly what makes the new technology superior.