A software company based in Seattle, _________
Which choice completes the text so that it conforms to the conventions of Standard English?
productivity is enhanced by TechFlow's innovative apps.
TechFlow creates innovative apps that enhance productivity.
creating innovative apps is TechFlow's mission.
innovative apps are created by TechFlow to enhance productivity.
Correct Answer: B
Choice B is the best answer. The introductory appositive "A software company based in Seattle" describes a specific business. "TechFlow" is the correct subject.
Choice A is incorrect because "productivity" is not a software company. Choice C is incorrect because "creating innovative apps" is an action, not the company. Choice D is incorrect because "innovative apps" are not the company.