肠痈最有意义的体征是（）

A.墨菲征

B.腹部包块

C.肾区叩痛

D.脐周压痛

E.右下腹压痛

The software architecture of a program or computing system is the structure or structures of the system, which comprise software______, the externally ______ properties of those components, and the relationships between them. The architecture is not the operational software. Rather, it is a ______ that enables a so, ware engineer to: analyze the ______ of the design in meeting its stated requirements, consider architectural alternatives at a stage when making design changes is still relatively easy, and reduce the ______ associated with the construction of the software.

A．framework
B．deliverables
C．representation
D．semantic models