肠结核的主要感染途径是（）

A.粪口途径

B.血行播散

C.腹腔内结核病灶直接蔓延

D.经口感染

E.飞沫传染

Representations of software architecture are an enabler for communication between all parties (stakeholders) interested in the development of a computer-based system. An architectural style defines as a family of suchsystems in terms of a ______ of structural organization. More specifically, each ______ describes a systemcategory that encompasses: (1) a set of components (e.g., a database, computational modules) that perform afunction required by a system, (2) a set of ______ that enable "communication, coordination andcooperation" among components, (3)______ that define how components can be integrated to form thesystem, and (4) semantic models that enable a designer to understand the overall properties of a system byanalyzing the known ______ of its constituent parts.

A. grammar models B. code segments C. constraintsD. deliverables