He appears to be strong and healthy but, __________ he suffers from a weak heart.

A．as a matter of fact

B．what’s more

C．accordingly

D．no wonder

长江三角洲地区与城市带发育不相关的自然因素是 (    )

A．气候温和湿润

B．河网 密集

C．矿产资源丰富

D．临江面海的地理位置