What‘s the difference of the tower during its first and second construction? 查看材料
A.
At the first time, it leaned northwards but southwards the second time.
B.
At the first time, it leaned southwards but northwards the second time.
C.
At the first time, it leaned westwards but eastwards the second time.
D.
At the first time, it leaned eastwards but westwards the second time.