2020 Tianjin Question 10 Single-choice Differentiating 2020_天津卷 (英语) $9.The number of medical schools reached 18 in the early 1990s and ______ around that level since.$ A. are remainingB. have remainedC. is remainingD. has remained Answer keyD ☆ SaveCan't do it, show the explanation查看原卷 →