Identify the error in the sentences given below, if there is no error, mark option ( e ).
(a) Rorty percent of the people alive today have
(b) never made a phone call, but
(c) thirty percent still have no electricity connections
(d) to their homes.
(e) No error

Answer

b

Explanation

The provided information is based on a single theme of lack of service therefore the two parts of the sentence should be connected by conjunction 'and' instead of 'but'. The conjunction 'but' is used when the flow of information is in opposite directions.