Which ONE of the following statements about the railway lines of Africa is false?

A.

There is no trans-continental railway in Africa which can be compared with the Trans-Siberian Railway in length or importance

B.

Africa's railway lines are all of uniform gauge

C.

Few railway lines in Africa cross from one country to another

D.

The railway lines of Africa generally run from the coast inland

E.

The densest railway network in Africa is in the Republic of South Africa

Correct answer is B

No explanation has been provided for this answer.