Hi !!!
Which phrase best completes this sentence ?
answer is B
Je te conseille de ne pas partager tes coordonnées en ligne.
I first would have answered A. But I think the sentence would have been more =
il est préférable de ne pas partager SES coordonnées en ligne.
B = je TE conseille...... TES coordonnées.. is more accurate.
C- and D = selon moi, d'après moi, should be followed by "il ne faut pas partager... SES.....
The fact that there is the possessif adjective "tes" shows you're talking to some one.
Hope this help (let me know, please)