Выберите нужную форму Perfect Continuous для данного в скобках глагола. 1. Since the beginning of the decade the number of policemen (to grow). a) had been growing; b) has been growing; c) will have been growing 2. I (to read) the book for an hour before my brother came. a) had been reading; b) have been reading; c) shall have been reading

A
b
вроде должно быть так.