【单选题】Mountain Climbing Mountain climbing, or ascending mountains, is popular worldwide, wherever hills rise high enough to provide a challenge. The activitys rewards include the physical exercise it provid...
A.
He produced and sold books written by Maria Edgeworth.
B.
He had more influence on American children's literature than any other publisher,
C.
He published books aimed amusing children rather than instructing them.
D.
He was commercially minded and cheerful.