GRE Big Book Section 6 Test 12 Q 18



Hi, for the long passage in week 6 q5 I’m not sure why A only is correct and not C. It seems that II is correct because while i understand that “must” is an extreme word but the passage directly stated that the theoretician “must steer a
delicate philosophical course between the two.” So why would it not be both I and II?

What’s in the passage; “If she wishes to construct a theory…”

Vs

What’s in option B “They must develop a new theory…”

Must in this option is too strong
Compared to what was said in the passage

The must you’re referring to is used in the preceding sentence and is referring to something different from the development or construction of a new theory