【单选题】

In Zurich, a leading canton in the SwissConfederation, it has been proposed to teach one foreign language—English—in primary schools. This would represent a change (21) Zurich’s elementary school kids now studyEnglish and French. Voters will decide whether French will be (22)

Some educators (23) that two foreign languages are too much for kids. Supporters of one foreign language believe that kids fail to reach strong (24) in German, the mother tongue for schoolchildren in Zurich.
In fact, Zurich kids speak Swiss German, which is (25) an oral language. In school they have to learn standard German, which (26) is a foreign language. (27) you add them all together Zurich kids are learning four languages.
All of Switzerland will watch what Zurich voters decide because Zurich is an influential canton and others may (28) . Yet some German-speaking cantons have already decided to (29) plans to reduce the number of foreign languages.
(30) what happens, Swiss kids will be fluent in more than one language which is a definite asset in today’s (31) economy. It is also a definite asset in learning other subjects. Studies (32) inAmerican universities have found that kids who study in duallanguage schools outperform their (33) who are taught inEnglish only.Apparently, kids educated in two languages develop a mental (34) that monolingual kids lack. Perhaps four languages are too many in elementary schools, but two is not (35) at all.
A．which
B．since
C．even if
D．now that