One can BBC the air early with his Short-wave radio.
A. pick up; on
B. pick out; over
C. pick up; through
D. pick up; by
网友回答
(答案→)A. pick up; on
B. pick out; over
C. pick up; through
D. pick up; by
解析：句意，在初期，人们可以通过他的短波收音机接收到BBC广播。pick up接收pick out挑选 on the air广播，根据题意，故选A。