下列关于显性性状和隐形性状的描述，正确的是

A．生物体所表现出来的性状都是显性性状

B．相对性状有显性和隐性之分

C．出现频率高的性状是显性性状，出现频率低的性状是隐形性状

D．隐形性状只有在子二代中才能表现出来

He told me with ______ that he had no choice but ______ the fact of his son's death. 　　[ ]

A. sadly, to accept　

B. sadness, accept　

C. sad, to accept　

D. sadness, to accept