某工程为土质边坡，对于这种边坡的防护采用下面哪种防护措施最适合( )。
A．框格植草防护
B．抹面防护
C．喷浆防护
D．喷射混凝土防护
参考答案：A
____ my teachers' help, I wouldn't have made such great progress. [ ]
A. Thanks to
B. Owing to
C. But for
D. As to
