Why has Dr. Sabato been following the Teen Detectives?
He thought they were the thieves.
He wanted to try and scare them.
He was trying to frame them for the thefts.
He wanted to test them.

he wanted to test them

Explanation:Jake says "Alors vous avez pris le problème into your propres mains?"

answer:

transparent vision

answer:

bonjour!

explanation:

this commercial passage is a real success. all the shops are great! there is a small biocoop to out with quality organic produce, a well-known pastry chef, a wine seller, an italian brasserie offering midday meals on a superb terrace where the dishes are plentiful, the food is quality, the ice creams are made by the owner early in the morning and a very pretty bookshop located in a pleasant and timeless setting. the highlights are relevant and well presented, we feel a real expertise on the part of the booksellers and not just a desire. the shelves are filled with beautiful things for young and old. it is very lively. you wouldn't think you were in strasbourg.

over here, it is an ideal place to spend delicious moments around a good coffee, a typical italian dish, a trendy pastry while reading a good book bought in the bookstore.