A．They are too many and she can’t read them all.
B．They are too difficult and complex for her to understand.
C．She feels too tired to read any books.
D．They are too heavy for her to carry.

A．Treasure hunters don’t report their finds to avoid paying taxes on it.
B．Those who find treasure usually keep it to themselves for fear that others might claim it.
C．The police don’t bother about keeping a record.
D．Both A and B