[单选题]
A soap bubble has an indexz /jlb0v0o bf8g x1i(av8ad7q of refraction of 1.33. What 34f,uvmko7adu +uhz 77a:fbdminimum thickness of this bubb od: 7+uavf3uf7uba4m z,h7dkle will ensure maximum reflectance of normally incident 530 nm wavelength light?
A. $24.9 \; nm$
B. $99.6 \; nm$
C. $199 \; nm$
D. $398 \; nm$
