Giorgio, now fifteen, and Lucia, also in her teens, were reaching the（）of their adolescence

A. most industries stay unaffected by global economic recession
B. each and every company spares no effort to survive the fierce competition
C. "compulsory redundancy" is going on in every industry
D. employees are laid off because they are not qualified for their jobs

A. spores are resistant to drying
B. the causative organism is encapsulated
C. droplets of sputum remain infective for a long time due to the resistance of the organisms to drying
D. none of these