Choose the option that shows an example of ordinal number

A ?The ?Edinburgh declaration?, published on Monday, urges leaders to work more closely with sub-national governments, indigenous peoples, national parks, local councils and wider society in meeting 20 biodiversity goals? B ?signed in Nagoya, Japan, 10 years ago.? C ?Thompson said Scotland was set to meet nine of the Aichi goals.? D ?The convention on biological diversity was first opened for signature at the Earth summit in Rio de Janiero, Brazil, in 1992.? E None of them show an ordinal number.