$$Which of the following structures is the format of a Web Video Text Tracks file?

Question $23$Answer

a$.$

$$WEBVTT

$$

cue$1$

cue$2$

$...$

b$.$

$$

WVtt

cue$1$

cue$2$

$...$

c$.$

$$WVTT

$$

cue$1$

$$

cue$2$

$$

$...$

d$.$

$$WebVTT

cue$1$

cue$2$

$...$