What is his pension hardly enough to pay for

A．jumped out like a young man, to show how healthy he was
B．got out slowly because he was too busy talking
C．could hardly get out although he suffered badly from rheumatism
D．got out with difficulty because his bones were stiff and painful

A．tried to use computers in production processes
B．first used computers in the area of cost accounting
C．was the father of modern computers
D．tried a scientific management approach