Answer:
market the same products to similar customers
Step-by-step explanation:
In simple words, the only choice that Alain have in the given case is to market the same product to similar customers. Diversifying and prototyping are beyond control of a salesman like Alain. Also, if there is no new product in the market there will be no chance that one can target a new market segment. Thus, we can conclude that the correct option is last statement.