Tara: This is Tara Patel from Cotton House in Kidderminster. Could I speak to Mr. Smith, please?

Mr. Smith: ______[ ]

A. Hello.

B. I'm Mr. Smith.

C. Who are you?

D. Speaking.

骨折愈合的第三期是（）

A.血肿机化演进期

B.原始骨痂形成期

C.骨痂改造塑形期

D.膜内化骨吸收期

E.软骨化骨吸收期