______ about the missing Beijing-bound Malaysian flight that he decided to look for more information about it.

A．So curious he was

B．So curious was he

C．Such curious he was

D．Such curious was he

肌节的特点是（）

A、是指两条M线之间的一段肌微丝

B、是由粗肌微丝构成的

C、是指两条相邻Z线之间的一段

D、是由细肌微丝构成的