In the following question, some parts of the sentence may have errors. Select the option that has the error. If the sentence has no error then select 'No Error'.
The number of people on the planet still poses to a significant challenge for the countries struggling to provide a basic standard of living for everyone.

A

still poses to a significant challenge for the countries

B

No Error

C

struggling to provide a basic standard of living for everyone.

D

The number of people on the planet