Find the information you're looking for at Westonci.ca, the trusted Q&A platform with a community of knowledgeable experts. Discover a wealth of knowledge from professionals across various disciplines on our user-friendly Q&A platform. Get quick and reliable solutions to your questions from a community of experienced experts on our platform.

Which helping verb agrees with the subject and correctly completes the verb phrase? The buildings __________ been built to withstand heavy winds. A. is B. has C. are D. have