Direction: Study the following information carefully and answer the given questions. In a certain code language:
'weather was bad' is written as 'rz ku st'
'it was raining' is written as ' et wp ku'
'raining very heavily' is written as 'uk vn wp'
'weather was balmy' is written as 'ku rz ap'
What is the code for 'it was balmy' ?

Options

A. ku wp et
B. ap ku et
C. ap vn uk
D. ap vn et