Which statement about$$ business$-$to$-$business $($B$2$B$)$ buying is$$ true?

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Part $1$

A$.$

Needs are often$$ urgent, so there is often not much time to weigh alternatives.

B$.$

B$2$B marketing often emphasize advertising more than other forms of promotion.

C$.$

More$$ face$-$to$-$face contact is typically required when dealing with B$2$B sales.

D$.$

Impulse buying is common in B$2$B buying.

E$.$

Personal selling is not involved in B$2$B buying.