59. Given a traveling sinusoidal wave, y(x, t) = A s(n(kx — ωt + φ). What are the wavelength and ftequency of the wave? (A) wavelength: 1/k＞ frequency:1/ω (B) wavelengtii: k/(2π), frequency: 2π/ω (C) wavelength: frequency: 2π/k，frequency:2π/ ω(D) wvelength: 2πk, frequency: 2πω (E) wavelength: 2π/k, frequency:ω/(2π)