This one.
"No change came over the old face. As though vast calculations were going through her head, she watched all the pattern shifts."
The status of the scientist is that she watches the patterns shift.
The author is using B. INDIRECT CHARACTERIZATION.
Indirect Characterization refers to what the character says or does. In the above passage, the author wrote what the character does. We, as the readers, only infer what the character is all about because we cannot read his mind or "get inside his head".
Direct Characterization refers to what the narrator directly says or thinks about the character. The reader is told what the character is like.
Juliet's because she worked so hard to be with Romeo and he positioned himself thinking she was dead and then she fell on his weapon.
so tragic that one death caused a nother.
